cum vs semen

cum and semen both are nouns.

Word	Noun	Adjective	Verb	Adverb
cum	Yes	No	No	No
semen	Yes	No	No	No

As nouns, cum and semen are synonyms defined as:

cum and semen: the thick white fluid containing spermatozoa that is ejaculated by the male genital tract

Other synonyms of cum include come, ejaculate, seed, seminal fluid.

cum (noun)	semen (noun)
the thick white fluid containing spermatozoa that is ejaculated by the male genital tract	the thick white fluid containing spermatozoa that is ejaculated by the male genital tract