yearling vs shaver

yearling and shaver both are nouns.

Word	Noun	Adjective	Verb	Adverb
yearling	Yes	No	No	No
shaver	Yes	No	No	No

As nouns, shaver is a hypernym of yearling; that is, shaver is a word with a broader meaning than yearling:

Other hypernyms of yearling include child, fry, kid, minor, nestling, nipper, small fry, tiddler, tike, tyke, youngster.

yearling (noun)	shaver (noun)
an animal in its second year	a razor powered by an electric motor
a racehorse considered one year old until the second Jan. 1 following its birth	a young person of either sex
a young child who is just beginning to walk	an adult male who shaves