English - Tongan Dictionary
Oo
.
.
.....oath (n) fuakava 
.....oath, take an (v) fuakava 
.....observe (v) siofi
.....October (n) 'Okatopa
.....octopus (n) feke 
.....odour (n) nanamu
.....offer (v) 'oatu
.....offspring, younger (same gender) (n) tehina
.....Oh (excl) 'oiaue
.....oil (n) lolo
.....one - taha
.....one hundred - teau
.....on top (prep) 'olunga
.....onion (n) onioni
.....opaque (adv) nenefu
.....open (v) ava 
.....opening (n) ava 
.....operation (n) tafa
.....orphan (n) paea 
.....over (prep) 'ova