lap vs thigh

lap and thigh both are nouns.

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

As nouns, thigh is a hypernym of lap; that is, thigh is a word with a broader meaning than lap:

lap (noun)	thigh (noun)
touching with the tongue	the part of the leg between the hip and the knee
movement once around a course	the upper joint of the leg of a fowl
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

lap (verb)	thigh (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