strikebreaker vs blackleg

strikebreaker and blackleg both are nouns.

Word	Noun	Adjective	Verb	Adverb
strikebreaker	Yes	No	No	No
blackleg	Yes	No	Yes	No

As nouns, strikebreaker and blackleg are synonyms defined as:

strikebreaker and blackleg: someone who works (or provides workers) during a strike

Other synonyms of strikebreaker include rat, scab.

strikebreaker (noun)	blackleg (noun)
someone who works (or provides workers) during a strike	someone who works (or provides workers) during a strike

strikebreaker (verb)	blackleg (verb)
	take the place of work of someone on strike