insemination vs activity

insemination and activity both are nouns.

Word	Noun	Adjective	Verb	Adverb
insemination	Yes	No	No	No
activity	Yes	No	No	No

As nouns, activity is a hypernym of insemination; that is, activity is a word with a broader meaning than insemination:

Other hypernyms of insemination include bodily function, bodily process, body process.

insemination (noun)	activity (noun)
the introduction of semen into the genital tract of a female	any specific behavior
the act of sowing (of seeds in the ground or, figuratively, of germs in the body or ideas in the mind, etc.)	the trait of being active; moving or acting rapidly and energetically
	an organic process that takes place in the body
	a process existing in or produced by nature (rather than by the intent of human beings)
	the state of being active
	(chemistry) the capacity of a substance to take part in a chemical reaction