quadriceps femoris vs quadriceps

quadriceps femoris and quadriceps both are nouns.

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

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

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

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

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