oblation vs offering

oblation and offering both are nouns.

Word	Noun	Adjective	Verb	Adverb
oblation	Yes	No	No	No
offering	Yes	No	No	No

As nouns, oblation and offering are synonyms defined as:

oblation and offering: the act of contributing to the funds of a church or charity

oblation (noun)	offering (noun)
the act of contributing to the funds of a church or charity	the act of contributing to the funds of a church or charity
	something offered (as a proposal or bid)
	the verbal act of offering
	money contributed to a religious organization; item or items contributed to a religious organization for religious purposes