mistletoe thrush vs thrush

mistletoe thrush and thrush both are nouns.

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

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

mistletoe thrush: large European thrush that feeds on mistletoe berries
thrush: songbirds characteristically having brownish upper plumage with a spotted breast

mistletoe thrush (noun)	thrush (noun)
large European thrush that feeds on mistletoe berries	songbirds characteristically having brownish upper plumage with a spotted breast
	a woman who sings popular songs
	candidiasis of the oral cavity; seen mostly in infants or debilitated adults