get down vs descend

get down and descend both are verbs.

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

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

Other hypernyms of get down include come down, fall, go down.

get down (verb)	descend (verb)
take the first step or steps in carrying out an action	come as if by falling
put down in writing; of texts, musical compositions, etc.	move downward and lower, but not necessarily all the way
pass through the esophagus as part of eating or drinking	do something that one considers to be below one's dignity
lower someone's spirits; make downhearted	come from; be connected by a relationship of blood, for example
move something or somebody to a lower position
alight from (a horse)
lower (one's body) as by kneeling