sex cell vs reproductive cell

sex cell and reproductive cell both are nouns.

Word	Noun	Adjective	Verb	Adverb
sex cell	Yes	No	No	No
reproductive cell	Yes	No	No	No

As nouns, sex cell and reproductive cell are synonyms defined as:

sex cell and reproductive cell: a spermatozoon or an ovum; a cell responsible for transmitting DNA to the next generation

Other synonyms of sex cell include germ cell.

sex cell (noun)	reproductive cell (noun)
a spermatozoon or an ovum; a cell responsible for transmitting DNA to the next generation	a spermatozoon or an ovum; a cell responsible for transmitting DNA to the next generation