tibialis vs musculus tibialis

tibialis and musculus tibialis both are nouns.

Word	Noun	Adjective	Verb	Adverb
tibialis	Yes	No	No	No
musculus tibialis	Yes	No	No	No

As nouns, tibialis and musculus tibialis are synonyms defined as:

tibialis and musculus tibialis: either of two skeletal muscle in each leg arising from the tibia; provides for movement of the foot

Other synonyms of tibialis include tibialis muscle.

tibialis (noun)	musculus tibialis (noun)
either of two skeletal muscle in each leg arising from the tibia; provides for movement of the foot	either of two skeletal muscle in each leg arising from the tibia; provides for movement of the foot