cuckoo vs sap

cuckoo and sap both are nouns.

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

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

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

cuckoo (noun)	sap (noun)
any of numerous European and North American birds having pointed wings and a long tail	a piece of metal covered by leather with a flexible handle; used for hitting people
a man who is a stupid incompetent fool	a person who lacks good judgment
	a watery solution of sugars, salts, and minerals that circulates through the vascular system of a plant

cuckoo (verb)	sap (verb)
repeat monotonously, like a cuckoo repeats his call	excavate the earth beneath
	deplete