unconscionable vs extortionate

unconscionable and extortionate both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unconscionable	No	Yes	No	No
extortionate	No	Yes	No	No

As adjectives, unconscionable and extortionate are synonyms defined as:

unconscionable and extortionate: greatly exceeding bounds of reason or moderation

Other synonyms of unconscionable include exorbitant, outrageous, steep, usurious.

unconscionable (adjective)	extortionate (adjective)
greatly exceeding bounds of reason or moderation	greatly exceeding bounds of reason or moderation
lacking a conscience