write in vs write

write in and write both are verbs.

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

As verbs, write is a hypernym of write in; that is, write is a word with a broader meaning than write in:

write in (verb)	write (verb)
write to an organization	communicate or express by writing
cast a vote by inserting a name that does not appear on the ballot	record data on a computer
	contact in writing
	produce a literary work
	mark or trace words or symbols on a surface
	write or name the letters that comprise the conventionally accepted form of (a word or part of a word)
	write music
	create code, write a computer program