expiative vs propitiatory

expiative and propitiatory both are adjectives.

Word	Noun	Adjective	Verb	Adverb
expiative	No	Yes	No	No
propitiatory	No	Yes	No	No

As adjectives, expiative and propitiatory are synonyms defined as:

expiative and propitiatory: having power to atone for or offered by way of expiation or propitiation

Other synonyms of expiative include expiatory.

expiative (adjective)	propitiatory (adjective)
having power to atone for or offered by way of expiation or propitiation	having power to atone for or offered by way of expiation or propitiation
	intended to reconcile or appease