nip vs double shot

nip and double shot both are nouns.

Word	Noun	Adjective	Verb	Adverb
nip	Yes	No	Yes	No
double shot	Yes	No	No	No

As nouns, double shot is a hyponym of nip; that is, double shot is a word with a more specific, narrower meaning than nip:

Other hyponyms of nip include 100 mL.

nip (noun)	double shot (noun)
a small sharp bite or snip	100 mL of liquor, drunk from a shot glass.
a tart spicy quality
the property of being moderately cold
the taste experience when a savoury condiment is taken into the mouth
a small drink of liquor

nip (verb)	double shot (verb)
squeeze tightly between the fingers
sever or remove by pinching or snipping
give a small sharp bite to