struggle vs fight

struggle and fight both are nouns.

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

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

As verbs, struggle and fight are synonyms defined as:

Other synonyms of struggle include contend.

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

As verbs, struggle and fight are synonyms defined as:

struggle (noun)	fight (noun)
strenuous effort	a hostile meeting of opposing military forces in the course of a war
an energetic attempt to achieve something	the act of fighting; any contest or struggle
an open clash between two opposing groups (or individuals)	a boxing or wrestling match
	an aggressive willingness to compete
	an intense verbal dispute

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