write vs harmonize

write and harmonize both are verbs.

Word	Noun	Adjective	Verb	Adverb
write	No	No	Yes	No
harmonize	No	No	Yes	No

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

write (verb)	harmonize (verb)
communicate or express by writing	bring into consonance, harmony, or accord while making music or singing
record data on a computer	bring into consonance or accord
contact in writing	bring (several things) into consonance or relate harmoniously
produce a literary work	sing or play in harmony
mark or trace words or symbols on a surface	write a harmony for
write or name the letters that comprise the conventionally accepted form of (a word or part of a word)	go together
write music
create code, write a computer program