agree vs harmonise

agree and harmonise both are verbs.

Word	Noun	Adjective	Verb	Adverb
agree	No	No	Yes	No
harmonise	No	No	Yes	No

As verbs, harmonise is a hyponym of agree; that is, harmonise is a word with a more specific, narrower meaning than agree:

agree: be compatible, similar or consistent; coincide in their characteristics
harmonise: go together

As verbs, agree and harmonise are synonyms defined as:

Other synonyms of agree include accord, concord, consort, fit in, harmonize.

agree (verb)	harmonise (verb)
be in accord; be in agreement	bring into consonance, harmony, or accord while making music or singing
consent or assent to a condition, or agree to do something	bring into consonance or accord
achieve harmony of opinion, feeling, or purpose	bring (several things) into consonance or relate harmoniously
be agreeable or suitable	sing or play in harmony
be compatible, similar or consistent; coincide in their characteristics	write a harmony for
go together	go together
show grammatical agreement