quadriceps vs quadriceps femoris

quadriceps and quadriceps femoris both are nouns.

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

As nouns, quadriceps and quadriceps femoris are synonyms defined as:

quadriceps and quadriceps femoris: a muscle of the thigh that extends the leg

Other synonyms of quadriceps include musculus quadriceps femoris, quad.

quadriceps (noun)	quadriceps femoris (noun)
a muscle of the thigh that extends the leg	a muscle of the thigh that extends the leg