struggle vs wrestle

struggle and wrestle both are nouns.

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

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

Other hyponyms of struggle include grapple, grappling, hand-to-hand struggle, wrestling.

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

struggle (noun)	wrestle (noun)
strenuous effort	the act of engaging in close hand-to-hand combat
an energetic attempt to achieve something
an open clash between two opposing groups (or individuals)

struggle (verb)	wrestle (verb)
be engaged in a fight; carry on a fight	engage in deep thought, consideration, or debate
to exert strenuous effort against opposition	combat to overcome an opposing tendency or force
climb awkwardly, as if by scrambling	engage in a wrestling match
make a strenuous or labored effort	to move in a twisting or contorted motion, (especially when struggling)