struggle vs tourney

struggle and tourney both are nouns.

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

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

struggle (noun)	tourney (noun)
strenuous effort	a sporting competition in which contestants play a series of games to decide the winner
an energetic attempt to achieve something
an open clash between two opposing groups (or individuals)

struggle (verb)	tourney (verb)
be engaged in a fight; carry on a fight	engage in a tourney
to exert strenuous effort against opposition
climb awkwardly, as if by scrambling
make a strenuous or labored effort