swing shift vs evening shift

swing shift and evening shift both are nouns.

Word	Noun	Adjective	Verb	Adverb
swing shift	Yes	No	No	No
evening shift	Yes	No	No	No

As nouns, swing shift and evening shift are synonyms defined as:

swing shift and evening shift: the work shift during the evening (as 4 p.m. to midnight)

swing shift (noun)	evening shift (noun)
the work shift during the evening (as 4 p.m. to midnight)	workers who work during the evening (as 4 p.m. to midnight)
	the work shift during the evening (as 4 p.m. to midnight)