snare drum vs side drum

snare drum and side drum both are nouns.

Word	Noun	Adjective	Verb	Adverb
snare drum	Yes	No	No	No
side drum	Yes	No	No	No

As nouns, snare drum and side drum are synonyms defined as:

snare drum and side drum: a small drum with two heads and a snare stretched across the lower head

Other synonyms of snare drum include snare.

snare drum (noun)	side drum (noun)
a small drum with two heads and a snare stretched across the lower head	a small drum with two heads and a snare stretched across the lower head