keep up vs plastinate

keep up and plastinate both are verbs.

Word	Noun	Adjective	Verb	Adverb
keep up	No	No	Yes	No
plastinate	No	No	Yes	No

As verbs, plastinate is a hyponym of keep up; that is, plastinate is a word with a more specific, narrower meaning than keep up:

keep up: keep in safety and protect from harm, decay, loss, or destruction
plastinate: preserve (tissue) with plastics, as for teaching and research purposes

Other hyponyms of keep up include embalm, hold the line.

keep up (verb)	plastinate (verb)
prevent from going to bed at night	preserve (tissue) with plastics, as for teaching and research purposes
keep informed
maintain a required pace or level
keep in safety and protect from harm, decay, loss, or destruction
lengthen or extend in duration or space