The following is a list of language disorders. A language disorder is a condition defined as a condition that limits or altogether stops natural speech. A language disorder may be neurological, physical, or psychological in origin.
| Feature of speech | Absence of feature | Difficulty | Problem |
|---|---|---|---|
| Phonation | Anarthria | Dysarthria, dysglossia | |
| Comprehension | Agnosia, asemia, asymbolia | ||
| Speech | Aphasia, aphrasia | Dysphasia, schizophasia, logorrhea | Paraphasia |
| Intonation | Aprosodia | Dysprosody | |
| Poverty of speech | Alogia | ||
| Reading (process) | Alexia | Dyslexia | Paralexia |
| Written language | Agraphia | Dysgraphia, graphorrhea | Paragraphia |
| Spoken language | Alalia | Dyslalia, coprolalia, echolalia, glossolalia | Palilalia |
| Recalling names | Anomia | Dysnomia | |
| Motor disorder | Apraxia | Dyspraxia | |
| Orthophony | Dysphemia | ||
| Orthography | Dysorthography | ||
| Syntax | Agrammatism | Paragrammatism | |
| Voice | Aphonia | Dysphonia | |