More specific terms
- NT Dead languages
- NT Disappearing languages
- NT Foreign languages
- NT International languages
- NT Modern languages
- NT Mother tongue
- NT National languages
- NT Sign languages
- NT Spoken language
- NT Uncommonly taught languages
- NT Unwritten languages
- NT Vernacular languages
- NT Written language
взаимосвязанные термины
- RT Comparative linguistics
- RT Computer languages
- RT Linguistics
- RT Signs