thrush vs vocalist

thrush and vocalist both are nouns.

Word	Noun	Adjective	Verb	Adverb
thrush	Yes	No	No	No
vocalist	Yes	No	No	No

As nouns, vocalist is a hypernym of thrush; that is, vocalist is a word with a broader meaning than thrush:

Other hypernyms of thrush include singer, vocaliser, vocalizer.

thrush (noun)	vocalist (noun)
songbirds characteristically having brownish upper plumage with a spotted breast	a person who sings
a woman who sings popular songs
candidiasis of the oral cavity; seen mostly in infants or debilitated adults