steep vs extortionate

steep is a noun but extortionate is not a noun.

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

As adjectives, steep and extortionate are synonyms defined as:

steep and extortionate: greatly exceeding bounds of reason or moderation

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

steep (noun)	extortionate (noun)
a steep place (as on a hill)

steep (adjective)	extortionate (adjective)
having a sharp inclination	greatly exceeding bounds of reason or moderation
of a slope; set at a high angle
greatly exceeding bounds of reason or moderation

steep (verb)	extortionate (verb)
let sit in a liquid to extract a flavor or to cleanse
devote (oneself) fully to