parched vs adust

parched and adust both are adjectives.

Word	Noun	Adjective	Verb	Adverb
parched	No	Yes	No	No
adust	No	Yes	No	No

As adjectives, parched and adust are synonyms defined as:

Other synonyms of parched include baked, scorched, sunbaked.

parched (adjective)	adust (adjective)
toasted or roasted slightly	burned brown by the sun
dried out by heat or excessive exposure to sunlight	dried out by heat or excessive exposure to sunlight