semen vs bodily fluid

semen and bodily fluid both are nouns.

Word	Noun	Adjective	Verb	Adverb
semen	Yes	No	No	No
bodily fluid	Yes	No	No	No

As nouns, bodily fluid is a hypernym of semen; that is, bodily fluid is a word with a broader meaning than semen:

semen: the thick white fluid containing spermatozoa that is ejaculated by the male genital tract
bodily fluid: the liquid parts of the body

Other hypernyms of semen include body fluid, humor, humour, liquid body substance.

semen (noun)	bodily fluid (noun)
the thick white fluid containing spermatozoa that is ejaculated by the male genital tract	the liquid parts of the body