scrapper vs belligerent

scrapper and belligerent both are nouns.

Word	Noun	Adjective	Verb	Adverb
scrapper	Yes	No	No	No
belligerent	Yes	Yes	No	No

As nouns, scrapper and belligerent are synonyms defined as:

Other synonyms of scrapper include battler, combatant, fighter.

scrapper (noun)	belligerent (noun)
someone who fights (or is fighting)	someone who fights (or is fighting)

scrapper (adjective)	belligerent (adjective)
	characteristic of an enemy or one eager to fight
	engaged in war