spermatozoon vs sperm cell

spermatozoon and sperm cell both are nouns.

Word	Noun	Adjective	Verb	Adverb
spermatozoon	Yes	No	No	No
sperm cell	Yes	No	No	No

As nouns, spermatozoon and sperm cell are synonyms defined as:

spermatozoon and sperm cell: the male reproductive cell; the male gamete

Other synonyms of spermatozoon include sperm, spermatozoan.

spermatozoon (noun)	sperm cell (noun)
the male reproductive cell; the male gamete	the male reproductive cell; the male gamete