thrombocyte vs protoplasm

thrombocyte and protoplasm both are nouns.

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

As nouns, protoplasm is a hypernym of thrombocyte; that is, protoplasm is a word with a broader meaning than thrombocyte:

thrombocyte: tiny bits of protoplasm found in vertebrate blood; essential for blood clotting
protoplasm: the substance of a living cell (including cytoplasm and nucleus)

Other hypernyms of thrombocyte include living substance.

thrombocyte (noun)	protoplasm (noun)
tiny bits of protoplasm found in vertebrate blood; essential for blood clotting	the substance of a living cell (including cytoplasm and nucleus)