sanctimoniousness vs sanctimony

sanctimoniousness and sanctimony both are nouns.

Word	Noun	Adjective	Verb	Adverb
sanctimoniousness	Yes	No	No	No
sanctimony	Yes	No	No	No

As nouns, sanctimoniousness and sanctimony are synonyms defined as:

sanctimoniousness and sanctimony: the quality of being hypocritically devout

sanctimoniousness (noun)	sanctimony (noun)
the quality of being hypocritically devout	the quality of being hypocritically devout