tussle vs combat

tussle and combat both are nouns.

Word	Noun	Adjective	Verb	Adverb
tussle	Yes	No	Yes	No
combat	Yes	No	Yes	No

As nouns, combat is a hypernym of tussle; that is, combat is a word with a broader meaning than tussle:

Other hypernyms of tussle include fight, fighting, scrap.

tussle (noun)	combat (noun)
disorderly fighting	an engagement fought between two military forces
	the act of fighting; any contest or struggle

tussle (verb)	combat (verb)
make messy or untidy	battle or contend against in or as if in a battle
fight or struggle in a confused way at close quarters