pip vs pick off

pip is a noun but pick off is not a noun.

Word	Noun	Adjective	Verb	Adverb
pip	Yes	No	Yes	No
pick off	No	No	Yes	No

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

Other hyponyms of pip include flight.

pip (noun)	pick off (noun)
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

pip (verb)	pick off (verb)
defeat thoroughly	pull or pull out sharply
hit with a missile from a weapon	shoot one by one
kill by firing a missile