matches

bout contest event game race test trial

engagement meet rivalry sport

peace

clash difference imbalance mismatch

double

adversary analogue antagonist approximation companion competitor complement copy correlate duplicate equivalent like mate opponent parallel peer replica ringer rival twin

countertype dead ringer lookalike spitting image

ally associate difference helper original supporter

clash imbalance mismatch

pairing

affiliation alliance combination duet espousal marriage mating pair partnership union

disunion division divorce separation

clash difference imbalance mismatch