pip vs kneecap

pip and kneecap both are nouns.

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

As verbs, kneecap is a hyponym of pip; that is, kneecap is a word with a more specific, narrower meaning than pip:

Other hyponyms of pip include gun down, grass.

pip (noun)	kneecap (noun)
a mark on a die or on a playing card (shape depending on the suit)	a small flat triangular bone in front of the knee that protects the knee joint
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

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