oar
oarlock
oat
oat flour; tolokno
oat panicle
offence; grievance
old man; elder; aged man
old woman; elderly woman; aged woman
old; elderly; aged
one
one and a half
onion
orphan
otter
oven brush; oven mop; pomelo broom
overgrown slash-and-burn plot
overnight freeze, cold snap
owl