once – adverb minsan
one
one – noun isa
one sided
one sided – adjective may pinapanigan hindi pareho kampi sa isa
oneself
oneself – pronoun sarili
onion
onion – noun sibuyas
onlooker
onlooker – noun manonood
only
only – adverb tangi lamang
onslaught
onslaught – noun paninibasib paglusob
onward
onward – adjective pagsulong
ooze
ooze – verb tumulo tumagas