sarcoplasm vs cytoplasm

sarcoplasm and cytoplasm both are nouns.

Word	Noun	Adjective	Verb	Adverb
sarcoplasm	Yes	No	No	No
cytoplasm	Yes	No	No	No

As nouns, cytoplasm is a hypernym of sarcoplasm; that is, cytoplasm is a word with a broader meaning than sarcoplasm:

sarcoplasm: the cytoplasm of a striated muscle fiber
cytoplasm: the protoplasm of a cell excluding the nucleus; is full of proteins that control cell metabolism

Other hypernyms of sarcoplasm include cytol.

sarcoplasm (noun)	cytoplasm (noun)
the cytoplasm of a striated muscle fiber	the protoplasm of a cell excluding the nucleus; is full of proteins that control cell metabolism