The alternative name Barupu or Warapu, from the name of the Bauni village, has been applied to related languages as well, and 'Warapu' may be retained as a cover term.
Words belong to one of five tone classes: H, L, LH, HL, HLH.
Syllables have the following form: (C)(G)V(G)(N), where (G) represents a glide and (N) represents a nasal. There are no syllables that have the maximum possible form of CGVGN.
Morphology
Verbs belong to one of four classes that differ in terms of what morphology may be applied and how. Verbs are obligatorily marked for mood - either realis (/k-/) or irrealis (/n-/) - and for subject. Certain classes of verbs require objects to be marked as well.[4]
k-opu-jara-ni
REAL-2PL.M-see-1SG.F
k-opu-jara-ni
REAL-2PL.M-see-1SG.F
You see me.
Lexicon
Bauni free pronouns are distinguished on the basis of person, gender, and number.[4]
singular
dual
plural
1st
M
něná
měpí
měmí
F
nění
2nd
M
měmá
mǒpú / běvé
F
mǒmú
3rd
M
yá
yéi / rěré
F
bó
Syntax
Clauses in Bauni employ Agent-Patient-Verb word order. Recipients, instruments, and other oblique noun phrases typically follow the verb.[4]
Intransitive verb
Kuáni
mother
k-o-kôe
REAL-3SG.F-go.up
Kuáni k-o-kôe
mother REAL-3SG.F-go.up
Mother went up.
Transitive verb
Kuáni
mother
aka
father
k-o-yarâ-ká
REAL-3SG.F-see-3SG.M
Kuáni aka k-o-yarâ-ká
mother father REAL-3SG.F-see-3SG.M
Mother saw father.
Ditransitive verb
Cha
Cha
Meniri
Meniri
bá=va
fish=PRM
k-a-r-o-a
REAL-3SG.M-3SG.M-give-3SG.M
nâkí
dog
Cha Meniri bá=va k-a-r-o-a nâkí
Cha Meniri fish=PRM REAL-3SG.M-3SG.M-give-3SG.M dog