doctor up vs adulterate

doctor up is not an adjective while adulterate is an adjective.

Word	Noun	Adjective	Verb	Adverb
doctor up	No	No	Yes	No
adulterate	No	Yes	Yes	No

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

doctor up: alter and make impure, as with the intention to deceive
adulterate: corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones

Other hypernyms of doctor up include debase, dilute, load, stretch.

doctor up (adjective)	adulterate (adjective)
	mixed with impurities

doctor up (verb)	adulterate (verb)
alter and make impure, as with the intention to deceive	corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones