contest

nouns

an occasion on which a winner is selected from among two or more contestants
competition, contest
a struggle between rivals
contest
is a type of (narrower)
the act of competing as for profit or a prize
"the teams were in fierce contention for first place"
competition, contention, rivalry

verbs

to make the subject of dispute, contention, or litigation
"They contested the outcome of the race"
contend, contest, repugn
is derived from
contestable
is derived from
contestation
is derived from
contestee
is derived from
contester