kneecap vs pip

kneecap and pip both are nouns.

Word	Noun	Adjective	Verb	Adverb
kneecap	Yes	No	Yes	No
pip	Yes	No	Yes	No

As verbs, pip is a hypernym of kneecap; that is, pip is a word with a broader meaning than kneecap:

Other hypernyms of kneecap include hit, shoot.

kneecap (noun)	pip (noun)
a small flat triangular bone in front of the knee that protects the knee joint	a mark on a die or on a playing card (shape depending on the suit)
	a radar echo displayed so as to show the position of a reflecting surface
	a small hard seed found in some fruits
	a disease of poultry
	a minor nonspecific ailment

kneecap (verb)	pip (verb)
shoot in the kneecap, often done by terrorist groups as a warning	defeat thoroughly
	hit with a missile from a weapon
	kill by firing a missile