wally vs sap

wally and sap both are nouns.

Word	Noun	Adjective	Verb	Adverb
wally	Yes	No	No	No
sap	Yes	No	Yes	No

As nouns, sap is a hypernym of wally; that is, sap is a word with a broader meaning than wally:

Other hypernyms of wally include fool, muggins, saphead, tomfool.

wally (noun)	sap (noun)
a silly and inept person; someone who is regarded as stupid	a piece of metal covered by leather with a flexible handle; used for hitting people
	a person who lacks good judgment
	a watery solution of sugars, salts, and minerals that circulates through the vascular system of a plant

wally (verb)	sap (verb)
	excavate the earth beneath
	deplete