protoplasm vs cytoplasm

protoplasm and cytoplasm both are nouns.

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

As nouns, cytoplasm is a hyponym of protoplasm; that is, cytoplasm is a word with a more specific, narrower meaning than protoplasm:

protoplasm: the substance of a living cell (including cytoplasm and nucleus)
cytoplasm: the protoplasm of a cell excluding the nucleus; is full of proteins that control cell metabolism

Other hyponyms of protoplasm include cytol, karyoplasm, nucleoplasm, germ plasm, plasm, blood platelet, platelet, thrombocyte.

protoplasm (noun)	cytoplasm (noun)
the substance of a living cell (including cytoplasm and nucleus)	the protoplasm of a cell excluding the nucleus; is full of proteins that control cell metabolism