deficient vs inadequate

deficient and inadequate both are adjectives.

Word	Noun	Adjective	Verb	Adverb
deficient	No	Yes	No	No
inadequate	No	Yes	No	No

deficient (adjective)	inadequate (adjective)
of a quantity not able to fulfill a need or requirement	lacking the requisite qualities or resources to meet a task
inadequate in amount or degree	of insufficient quantity to meet a need
falling short of some prescribed norm