snap fastener vs press stud

snap fastener and press stud both are nouns.

Word	Noun	Adjective	Verb	Adverb
snap fastener	Yes	No	No	No
press stud	Yes	No	No	No

As nouns, snap fastener and press stud are synonyms defined as:

snap fastener and press stud: a fastener used on clothing; fastens with a snapping sound

Other synonyms of snap fastener include snap.

snap fastener (noun)	press stud (noun)
a fastener used on clothing; fastens with a snapping sound	a fastener used on clothing; fastens with a snapping sound