thigh vs lap

thigh and lap both are nouns.

Word	Noun	Adjective	Verb	Adverb
thigh	Yes	No	No	No
lap	Yes	No	Yes	No

As nouns, lap is a hyponym of thigh; that is, lap is a word with a more specific, narrower meaning than thigh:

thigh (noun)	lap (noun)
the part of the leg between the hip and the knee	touching with the tongue
the upper joint of the leg of a fowl	movement once around a course
	a flap that lies over another part
	the part of a piece of clothing that covers the thighs
	the upper side of the thighs of a seated person
	an area of control or responsibility

thigh (verb)	lap (verb)
	wash or flow against
	take up with the tongue
	pass the tongue over
	move with or cause to move with a whistling or hissing sound
	lie partly over or alongside of something or of one another