disagreement vs discrepancy

disagreement and discrepancy both are nouns.

Word	Noun	Adjective	Verb	Adverb
disagreement	Yes	No	No	No
discrepancy	Yes	No	No	No

As nouns, disagreement and discrepancy are synonyms defined as:

disagreement and discrepancy: a difference between conflicting facts or claims or opinions

Other synonyms of disagreement include divergence, variance.

disagreement (noun)	discrepancy (noun)
a difference between conflicting facts or claims or opinions	a difference between conflicting facts or claims or opinions
the speech act of disagreeing or arguing or disputing	an event that departs from expectations
a conflict of people's opinions or actions or characters