Combat, comedy, comets, comics, coming, commas, commit, common, compel and comply are words. They begin with the prefix com.
combinecombatcombustedcomedycomfortcommunitycommodorecommentarycommunicationcommunioncommoncommentcommissioncommotioncommandcommandantcommunecomparecomplaincompresscomplimentcomprisecomposecompilecompetentcompassioncomradelycomtary
computer
comma
Complaint, compare, compact, compass
commentcomparecompartmentcommandcommendcommoncompactcomplicatecompassioncompanioncomplacementcommercecombinecommercilised
combat compare compete compose compress companion
-computer -complain-commute-commit-compact-compliance-competition
-computer -complain-commute-commit-compact-compliance-competition
Some words that end with "com" are: welcome, income, outcome, and sitcom.
compose
'Com-' is a prefix, in words such as 'complete', 'completion' and numerous others.
Capcom