dissonance vs disagreement

dissonance and disagreement both are nouns.

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

As nouns, dissonance and disagreement are synonyms defined as:

dissonance and disagreement: a conflict of people's opinions or actions or characters

Other synonyms of dissonance include dissension.

dissonance (noun)	disagreement (noun)
disagreeable sounds	a difference between conflicting facts or claims or opinions
the auditory experience of sound that lacks musical quality; sound that is a disagreeable auditory experience	the speech act of disagreeing or arguing or disputing
a conflict of people's opinions or actions or characters	a conflict of people's opinions or actions or characters