Tradução - Inglês-Letônio - Azerbaijani

language

None of these is to start with capital letter in not at the beginning of the sentence.
1) In the translation provided - it is nationality of woman.
The following translations are possible:
2) Azerbaidžānis
3) Azerbaidžāņi
4) Azerbaidžāņu valoda

2) (nationality of man)
3) (nationality of women and men in plural)
4) ('Azerbaijani' as language)