pimple vs zit

pimple and zit both are nouns.

Word	Noun	Adjective	Verb	Adverb
pimple	Yes	No	No	No
zit	Yes	No	No	No

As nouns, pimple and zit are synonyms defined as:

pimple and zit: a small inflamed elevation of the skin; a pustule or papule; common symptom in acne

Other synonyms of pimple include hickey.

pimple (noun)	zit (noun)
a small inflamed elevation of the skin; a pustule or papule; common symptom in acne	a small inflamed elevation of the skin; a pustule or papule; common symptom in acne