struggle vs battle

struggle and battle both are nouns.

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

As nouns, struggle and battle are synonyms defined as:

As nouns, struggle and battle are synonyms defined as:

struggle and battle: an open clash between two opposing groups (or individuals)

Other synonyms of struggle include conflict.

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

struggle (noun)	battle (noun)
strenuous effort	a hostile meeting of opposing military forces in the course of a war
an energetic attempt to achieve something	an energetic attempt to achieve something
an open clash between two opposing groups (or individuals)	an open clash between two opposing groups (or individuals)

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