yeti vs legendary creature

yeti and legendary creature both are nouns.

Word	Noun	Adjective	Verb	Adverb
yeti	Yes	No	No	No
legendary creature	Yes	No	No	No

As nouns, legendary creature is a hypernym of yeti; that is, legendary creature is a word with a broader meaning than yeti:

yeti: a large hairy humanoid creature said to live in the Himalayas
legendary creature: a monster that is unverifiable but popularly accepted as possibly factual

yeti (noun)	legendary creature (noun)
a large hairy humanoid creature said to live in the Himalayas	a monster that is unverifiable but popularly accepted as possibly factual