fight vs warfare

fight and warfare both are nouns.

Word	Noun	Adjective	Verb	Adverb
fight	Yes	No	Yes	No
warfare	Yes	No	No	No

fight (noun)	warfare (noun)
a hostile meeting of opposing military forces in the course of a war	the waging of armed conflict against an enemy
the act of fighting; any contest or struggle	an active struggle between competing entities
a boxing or wrestling match
an aggressive willingness to compete
an intense verbal dispute

fight (verb)	warfare (verb)
be engaged in a fight; carry on a fight
fight against or resist strongly
make a strenuous or labored effort
exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for