adulterate vs doctor up

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

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

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

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

Other hyponyms of adulterate include water down, doctor, sophisticate.

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

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