dehydration vs desiccation

dehydration and desiccation both are nouns.

Word	Noun	Adjective	Verb	Adverb
dehydration	Yes	No	No	No
desiccation	Yes	No	No	No

As nouns, dehydration and desiccation are synonyms defined as:

Other synonyms of dehydration include drying up, evaporation.

As nouns, dehydration and desiccation are synonyms defined as:

dehydration and desiccation: dryness resulting from the removal of water

dehydration (noun)	desiccation (noun)
the process of extracting moisture	the process of extracting moisture
dryness resulting from the removal of water	dryness resulting from the removal of water
depletion of bodily fluids