onion – Ilocano, noun sibuyas lasona
only
only – Ilocano, adverb laeng
onslaught
onslaught – Ilocano, noun nakaam-amak a panangraut
onward
onward – Ilocano, adjective dumarup
ooze
ooze – Ilocano, verb agayus agtedted
opalescent
opalescent – Ilocano, adjective agduduma a maris
opaque
opaque – Ilocano, adjective agsalagasag
open
open – Ilocano adjective silulukat verb ilukat
opening
opening – Ilocano, noun panaglukat
operate
operate – Ilocano, verb mangpapagna mangaramat