vocaliser vs instrumentalist

vocaliser and instrumentalist both are nouns.

Word	Noun	Adjective	Verb	Adverb
vocaliser	Yes	No	No	No
instrumentalist	Yes	No	No	No

As nouns, instrumentalist is a hypernym of vocaliser; that is, instrumentalist is a word with a broader meaning than vocaliser:

Other hypernyms of vocaliser include musician, player.

vocaliser (noun)	instrumentalist (noun)
a person who sings	someone who plays a music as a profession
an organism that can utter vocal sounds