contend vs tourney

contend is not a noun while tourney is a noun.

Word	Noun	Adjective	Verb	Adverb
contend	No	No	Yes	No
tourney	Yes	No	Yes	No

As verbs, tourney is a hyponym of contend; that is, tourney is a word with a more specific, narrower meaning than contend:

contend (noun)	tourney (noun)
	a sporting competition in which contestants play a series of games to decide the winner

contend (verb)	tourney (verb)
to make the subject of dispute, contention, or litigation	engage in a tourney
have an argument about something
maintain or assert
compete for something; engage in a contest; measure oneself against others
be engaged in a fight; carry on a fight
succeed in doing, achieving, or producing (something) with the limited or inadequate means available