| Root | Meaning in English | Origin language | Etymology (root origin) | English examples |
|---|
| galact- (ΓΛΑΚ) | milk | Greek | | galactagogue, galactic, galactorrhea, lactose, polygala, polygalactia, galaxy |
| gam- | marriage, wedding | Greek | , (gameîn), Greek, Ancient (to 1453);: γαμέτης, Greek, Ancient (to 1453);: γαμετή | agamic, agamogenesis, agamospermy, agamy, allogamy, anisogamete, anisogamy, apogamy, autogamy, cleistogamous, cleistogamy, cryptogam, deuterogamist, deuterogamy, digamous, digamy, endogamous, endogamy, exogamous, exogamy, gamete, gametic, gametocyte, gametogenesis, gametophyte, geitonogamy, heterogametic, heterogamous, heterogamy, homogametic, karyogamy, misogamy, monogamous, monogamy, oogamy, planogamete, plasmogamy, polygamist, polygamy |
| gamb- | leg | Latin | | gam, gambit, gambol, gammon |
| gamm- | | Greek | Greek, Ancient (to 1453);: Γ, γ, | gamma |
| gar- (GAR) | chatter | Latin | | gargantuan, gargle, gargoyle, garrulous, jargon |
| gargal- | | Greek | , Greek, Ancient (to 1453);: γαργαλιζόμενον, Greek, Ancient (to 1453);: γαργαλισμός | gargalesis, gargalesthesia, hypergargalesthesia |
| gargar- | | Greek | , Greek, Ancient (to 1453);: γαργαρισμός, Greek, Ancient (to 1453);: γαργαρεών | gargarize |
| gastr- | stomach | Greek | | epigastric, epigastrium, gasteroid, gastric, gastrin, gastritis, gastroenterologist, gastroenterology, gastrolith, gastronomic, gastronomy, gastroparesis, gastropod, gastroptosis, gastroschisis, gastrotrich, mesogastric, Myxogastria |
| ge-, geo- | earth | Greek | ,, Greek, Ancient (to 1453);: γεω- | apogee, biogeography, epigeous, Gaia, geocentric, geocentrism, geode, geodesy, geodetic, geography, geoid, geology, geomancy, geometry, geomorphology, geophysicist, geophysics, georgic, Georgics, geosphere, geostatic, geostrophic, geosynchronous, geosyncline, hypogeous, hypogeum, Pangea, perigee |
| geiton- | neighbor | Greek | , Greek, Ancient (to 1453);: γειτόνημα | geitonogamy |
| gel- | icy cold | Latin | | congeal, congelation, gel, gelati, gelatin, gelatinous, gelation, gelato, gelée, gelid, gelifluction, gelignite, jellification, jelly |
| gen-, gon- (ΓΕΝ) | birth, beget, race, kind | Greek | , and related, Greek, Ancient (to 1453);: γενετικός, ; see also | allergen, anagenesis, antigen, autogenesis, autogenous, biogenesis, dysgenic, endogen, endogenous, epigene, epigenesis, epigenetics, epigone, erogenous, Eugene, eugenic, eugenics, exogenous, gametogenesis, gene, genealogy, genesis, genetic, genocide, genotype, genophobia, gonad, heterogeneous, homogenesis, homogenetic, homogeneous, hydrogen, hypogene, hypogenesis, hypogenic, hypogenous, monogenic, oogenesis, paragenesis, pathogen, polygenous, progenesis, pseudogene, spermatogenesis |
| gen- (GEN) | beget | Latin | , Latin: genitus, (genitive generis), see also | congenial, engender, gender, generate, generation, genial, genius, genital, genitive, genteel, gentle, genuine, genus, indigenous, ingenious, ingenuous, primogenitor, progeny |
| gephyr- | bridge | Greek | Greek, Ancient (to 1453);: γέφυρα, Greek, Ancient (to 1453);: γεφυρόω | gephyrophobia |
| ger- | old | Greek | "old man", Greek, Ancient (to 1453);: γηράσκω "grow old" | erigeron, gerascophobia, geriatric, geriatrics, gerontocracy, gerontology, gerontophile, gerontophilia, gerontophobia, gerontoplast, gerousia, progeria, progeroid |
| ger-, gest- (GES) | bear, carry | Latin | , Latin: gestus | agger, congest, digest, gerundive, gestation, register, suggest, vicegerent |
| geran- | | Greek | , Greek, Ancient (to 1453);: γεράνιον, Greek, Ancient (to 1453);: γερανώδης | Geranium |
| germ- | sprout | Latin | | germ, German, germane, germicide, germinal, germinate, germination, nongermane, regerminate |
| geu- (ΓΕΥΣ) | taste | Greek | ,, Greek, Ancient (to 1453);: γεῦσις, γευόμενον | ageusia, dysgeusia, hypergeusia, hypogeusia, parageusia |
| glabr- | hairless | Latin | | glabella, glabellar, glabrate, glabrescent, glabrous |
| glaci- | | Latin | | glacé, glacial, glaciation, glacier, glacious, glacis, glance |
| gladi- | | Latin | | gladiator, gladiolus |
| glauc- | | Greek | , Greek, Ancient (to 1453);: γλαυκότης, | glaucophane, Glaucopsyche, glaucophobia |
| glia- | | Greek | | glial, glioblastoma, glioma, gliosis, microglia, neuroglia |
| glob- | sphere | Latin | | global, globate, globe, globose, globosity, globular, globule, globulin, inglobate |
| glori- | glory | Latin | | gloriation, glorification, glorify, gloriole, glorious, glory, inglorious, vainglorious, vainglory |
| gloss-, glot- | | Greek | , Greek, Ancient (to 1453);: γλωττίς | aglossia, anthropoglot, aryepiglottic, diglossia, epiglottis, gloss, glossary, glossophobia, glottis, heterogloss, heteroglossia, idioglossia, isogloss, monoglot, monoglottism, polyglot, polyglottism |
| glut- | | Greek | | gluteus |
| glutin- | | Latin | , Latin: glutinis | agglutinant, agglutinate, agglutination, agglutinative, glue, glutelin, gluten, glutinosity, glutinous, nonagglutinative |
| glyc- | | Greek | | glycogen, glycogenesis, glycogenolysis, glycolipid, glycophyte, glycoprotein, glycoside, glycosidic, hypoglycaemia |
| glyph- | | Greek | , Greek, Ancient (to 1453);: γλυφή, Greek, Ancient (to 1453);: γλυπτός, Greek, Ancient (to 1453);: γλυπτικός | aglyphous, anaglyph, ditriglyph, ditriglyphic, glyph, glyptic, Glyptodon, glyptograph, hieroglyph, hieroglyphic, monotriglyph, opisthoglyphous, petroglyph, proteroglyphous, solenoglyphous |
| gnath- | | Greek | , Greek, Ancient (to 1453);: γναθμός | Agnatha, agnathous, chilognath, compsognathus, endognathion, epignathous, exognathion, gnathic, gnathophyma, hypognathous, hystricognath, mesognathion, mesognathous, prognathism |
| gno- (ΓΝΩ) | know | Greek | , Greek, Ancient (to 1453);: γνῶναι, γνωτός, Greek, Ancient (to 1453);: γνωστός, Greek, Ancient (to 1453);: γνωστικός, Greek, Ancient (to 1453);: γνῶσις, Greek, Ancient (to 1453);: γνῶσμα, γνώμη, Greek, Ancient (to 1453);: γνώμων | agnosia, agnostic, agnosticism, anagnorisis, diagnosis, dysanagnosia, gnomic, gnomon, gnomonic, gnosia, gnosis, Gnostic, gnosticism, pathognomonic, physiognomy, prognosis, telegnosis |
| gnosc-, | know | Latin | | acquaint, acquaintance, agnition, agnize, cognition, cognitional, cognitive, cognitivity, cognizable, cognizance, cognizant, cognize, cognoscence, cognoscenti, cognoscible, cognovit, connoisseur, ennoble, ennoblement, ignoble, ignorant, ignoscible, incognito, nobiliary, nobilitate, nobilitation, nobility, noble, note, notice, noticeable, notion, notional, notionality, notoriety, notorious, precognition, quaint, reacquaint, recognition, recognize, reconnaissance, reconnoiter, reconnoitre |
| gon- | | Greek | , | goniometer, gonion, gonioscope, gonitis, gonyaulax, gonycampsis, hexagon, pentagon, polygon, trigon, trigonometry |
| grad-, gred-, gress- (GRAD) | walk, step, go | Latin | , Latin: gressus "to step", from "step" | aggradation, aggression, antegrade, anterograde, centigrade, degrade, degree, egress, gradation, grade, gradient, gradine, gradual, graduality, graduate, graduation, gree, ingress, multigrade, nongraduate, postgraduate, progradation, prograde, progress, regress, retrogradation, retrograde, saltigrade, tardigrade, transgress |
| gramm- | letter, writing | Greek | ,, Greek, Ancient (to 1453);: γραμματικός | anagram, anagrammatic, diagram, diagrammatic, engram, epigram, epigrammatic, grammar, grammatic, grammaticist, hologram, lipogram, monogram, pangrammatic, pentagram, program, programmatic, telegram, telegramme, tetragram, tetragrammaton, trigram |
| gran- | grain | Latin | | degranulation, engrain, filigree, garner, garnet, grain, granary, grange, granger, granite, granivore, granivorous, granivory, granola, granular, granularity, granulate, granulation, granule, grenade, grogram, grosgrain, ingrain, multigrain, pomegranate |
| grand- | grand | Latin | | aggrandisement, grandee, grandeur, grandific, grandiloquent, grandiloquous, grandiose, grandiosity, grandioso, grandity |
| graph- | draw, write | Greek | , Greek, Ancient (to 1453);: γραφικός,, Greek, Ancient (to 1453);: γραφία, Greek, Ancient (to 1453);: γραφεῖον | allograft, anepigraphic, autograft, autograph, digraph, epigraphic, epigraphy, graft, graph, grapheme, graphemics, graphene, graphic, graphite, graphology, graphomania, graphospasm, heterograph, hexagraph, holography, homograph, isograft, logographic, micrograph, monograph, orthography, paragraph, photograph, photographic, photomicrograph, polygraph, pseudepigraphy, syngraft, telegraph, telegraphy, tetragraph, trigraph |
| Latin: grat- | thank, please | Latin | , see also | aggrace, agree, agreeable, agreeance, agreement, congratulant, congratulate, congratulatory, congree, disagree, disagreeable, disagreement, disgrace, grace, graciosity, gracioso, gracious, gratification, gratify, gratis, gratitude, gratuitous, gratuity, gratulant, gratulate, gratulation, gratulatory, grazioso, gree, ingrate, ingratiate, ingratiation, ingratitude, maugre, noncongratulatory, nongratuitous |
| grav- | heavy | Latin | | aggravate, aggravation, aggravative, aggravator, aggrieve, aggrievement, degravation, gravamen, grave, gravid, gravida, gravidity, gravitas, gravitate, gravitation, gravitational, gravity, grief, grieve, grievance, grievant, grievous, ingravescence, ingravescent, multigravida, multigravidity, nongravitational, nulligravida, primigravida, reaggravate, supergravity |
| greg- | | Latin | , | aggregate, aggregation, aggregator, congregant, congregate, congregation, congregational, desegregate, desegregation, disaggregate, disgregate, disgregation, egregious, gregarian, gregarine, gregarious, intercongregational, segregate, segregation |
| gryp- | hooked | Greek | , Greek, Ancient (to 1453);: γρυπότης, γρύπωσις | arthrogryposis, Grypoceras, Gryposaurus |
| gubern- | govern, pilot | Latin | | gubernatorial |
| gust- | taste | Latin | | disgust, gustatory, gusto, gustoso |
| gutt- | drop | Latin | | gout, gutta, guttate, guttifer, guttiform |
| guttur- | | Latin | | goitre, guttural |
| gymn- | nude | Greek | | gymnasium, gymnast, gymnastics, gymnophobia, gymnoplast, gymnosophist, gymnosperm, gymnospore |
| gyn-, gynaec- | | Greek | , (gunḗ, gunaikós) | acrogynous, androgyne, androgynous, androgyny, epigyne, epigynous, epigynum, gymnogynous, gynaeceum, gynaecocracy, gynarchy, gyne, gynecocracy, gynecology, gynecomastia, gynodioecious, gynoecium, gynoid, gynophobia, heterogynous, hypogynous, misogynist, monogyny, oligogyny, philogyny, polygynist, polygyny |
| gyr- | ring | Greek | , Greek, Ancient (to 1453);: γυρός | agyria, autogyro, gyre, gyrectomy, gyrencephalic, gyrodyne, gyroid, gyromagnetic, gyromancy, gyroscope, gyrosphere, gyrostat, gyrostatic gyrotropic, gyrus, microgyrus, micropolygyria, pachygyria, polygyria, polymicrogyria, ulegyria |
| gyrin- | | Greek | Greek, Ancient (to 1453);: γυρός,, Greek, Ancient (to 1453);: γυρινώδης | Gyrinophilus | |
