quadriceps vs quad

quadriceps and quad both are nouns.

Word	Noun	Adjective	Verb	Adverb
quadriceps	Yes	No	No	No
quad	Yes	No	No	No

As nouns, quadriceps and quad are synonyms defined as:

Other synonyms of quadriceps include musculus quadriceps femoris, quadriceps femoris.

quadriceps (noun)	quad (noun)
a muscle of the thigh that extends the leg	a rectangular area surrounded on all sides by buildings
	(printing) a block of type without a raised letter; used for spacing between words or sentences
	a muscle of the thigh that extends the leg
	one of four children born at the same time from the same pregnancy