O 101 verbs
obese, beobeyobfuscateobjectobjectifyobligateobligated, beobligeobliterateobscureobsequious, beobserveobsessobsessed, beobstructobstructive, beobtainobtrudeobvertobviateoccludeoccupyoccupy (o.s.)occuroffendoffensive, beofferofficiateoffsetoilomitomitted, beon fire, beoozeopenopen (be)open fireoperateopinion, be of (the)opposeoppressopt (out)orateordainorderorganizeorientoriented, get/becomeoriginateornamentoscillateossifyostentatious, beostracizeoustout (be/come)out (s.o.)outbidoutcasteoutdistanceoutdooutdrawoutfightoutfitoutflankoutfoxoutlastoutlawoutlineoutliveoutnumberoutrageoutreachoutrunoutsourceoutstayoutstripoutwearoutwitover (be left)overactoverbearing, beoverburdenoverbuyovercapitalizeovercast, beoverchargeovercomeovercookoverestimateoverflowovergrown, beoverindulgeoverlookoverpayovertakeoverturnoverturned, beoverweight, becomeoverwhelm(ed, be)overwrought, get