Kate Smith vs vocaliser

Kate Smith and vocaliser both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kate Smith	Yes	No	No	No
vocaliser	Yes	No	No	No

Kate Smith (noun)	vocaliser (noun)
United States singer noted for her rendition of patriotic songs (1909-1986)	a person who sings
	an organism that can utter vocal sounds