Oppo

• oppone • opponency • opponent • opportune • opportunely • opportuneness • opportunism • opportunist • opportunistic • opportunistic infection • opportunity • opportunity cost • opposability • opposable • opposal • oppose • opposed • opposeless • opposer • opposing • opposite • opposite number • opposite word • oppositely • oppositeness • oppositifolious • opposition • opposition party • oppositional • oppositionist • oppositipetalous • oppositisepalous • oppositive