insemination vs sexual intercourse

insemination and sexual intercourse both are nouns.

Word	Noun	Adjective	Verb	Adverb
insemination	Yes	No	No	No
sexual intercourse	Yes	No	No	No

insemination (noun)	sexual intercourse (noun)
the introduction of semen into the genital tract of a female	sexual activity between individuals, especially the insertion of a man's penis into a woman's vagina until orgasm and ejaculation occur
the act of sowing (of seeds in the ground or, figuratively, of germs in the body or ideas in the mind, etc.)