myofibril vs sarcostyle

myofibril and sarcostyle both are nouns.

Word	Noun	Adjective	Verb	Adverb
myofibril	Yes	No	No	No
sarcostyle	Yes	No	No	No

As nouns, myofibril and sarcostyle are synonyms defined as:

myofibril and sarcostyle: one of many contractile filaments that make up a striated muscle fiber

Other synonyms of myofibril include myofibrilla.

myofibril (noun)	sarcostyle (noun)
one of many contractile filaments that make up a striated muscle fiber	one of many contractile filaments that make up a striated muscle fiber