propitiatory vs expiatory

propitiatory and expiatory both are adjectives.

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

As adjectives, propitiatory and expiatory are synonyms defined as:

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

Other synonyms of propitiatory include expiative.

propitiatory (adjective)	expiatory (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