extortionate vs usurious

extortionate and usurious both are adjectives.

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

As adjectives, extortionate and usurious are synonyms defined as:

extortionate and usurious: greatly exceeding bounds of reason or moderation

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

extortionate (adjective)	usurious (adjective)
greatly exceeding bounds of reason or moderation	greatly exceeding bounds of reason or moderation