knock up vs inseminate

knock up and inseminate both are verbs.

Word	Noun	Adjective	Verb	Adverb
knock up	No	No	Yes	No
inseminate	No	No	Yes	No

As verbs, inseminate is a hypernym of knock up; that is, inseminate is a word with a broader meaning than knock up:

Other hypernyms of knock up include fecundate, fertilise, fertilize.

knock up (verb)	inseminate (verb)
make pregnant	introduce semen into (a female)
	place seeds in or on (the ground)