opal – noun opalo
opalescent
opalescent – adjective iba-ibang kulay
opaque
opaque – adjective hindi madaanan ng liwanag malabo
open
open adjective bukas hayag verb buksan ihayag
opening
opening – noun pagbubukas bukas pagbakante
operate
operate – verb tistisin magpalakad operaha n
operation
operation – noun operasyon pamamalakad pagpapalakad
operator
operator – noun ang nagpapalakad tagapagpalakad
opinion
opinion – noun opinyon palagay akala kuro
opponent
opponent – noun kalaban kaaway