knee-hi vs sock

knee-hi and sock both are nouns.

Word	Noun	Adjective	Verb	Adverb
knee-hi	Yes	No	No	No
sock	Yes	No	Yes	No

As nouns, sock is a hypernym of knee-hi; that is, sock is a word with a broader meaning than knee-hi:

knee-hi: a sock or stocking that reaches up to just below the knees
sock: hosiery consisting of a cloth covering for the foot; worn inside the shoe; reaches to between the ankle and the knee

Other hypernyms of knee-hi include stocking.

knee-hi (noun)	sock (noun)
a sock or stocking that reaches up to just below the knees	hosiery consisting of a cloth covering for the foot; worn inside the shoe; reaches to between the ankle and the knee
	a truncated cloth cone mounted on a mast; used (e.g., at airports) to show the direction of the wind

knee-hi (verb)	sock (verb)
	hit hard