exsiccate vs desiccate

exsiccate is not an adjective while desiccate is an adjective.

Word	Noun	Adjective	Verb	Adverb
exsiccate	No	No	Yes	No
desiccate	No	Yes	Yes	No

As verbs, exsiccate and desiccate are synonyms defined as:

Other synonyms of exsiccate include dehydrate, dry up.

exsiccate (adjective)	desiccate (adjective)
	lacking vitality or spirit; lifeless

exsiccate (verb)	desiccate (verb)
lose water or moisture	lose water or moisture
	preserve by removing all water and liquids from
	remove water from