get down vs write

get down and write both are verbs.

Word	Noun	Adjective	Verb	Adverb
get down	No	No	Yes	No
write	No	No	Yes	No

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

get down (verb)	write (verb)
take the first step or steps in carrying out an action	communicate or express by writing
put down in writing; of texts, musical compositions, etc.	record data on a computer
pass through the esophagus as part of eating or drinking	contact in writing
lower someone's spirits; make downhearted	produce a literary work
move something or somebody to a lower position	mark or trace words or symbols on a surface
alight from (a horse)	write or name the letters that comprise the conventionally accepted form of (a word or part of a word)
lower (one's body) as by kneeling	write music
	create code, write a computer program