embark vs get down

embark and get down both are verbs.

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

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

Other hypernyms of embark include begin, commence, get, set about, set out, start, start out.

embark (verb)	get down (verb)
set out on (an enterprise or subject of study)	take the first step or steps in carrying out an action
go on board	put down in writing; of texts, musical compositions, etc.
proceed somewhere despite the risk of possible dangers	pass through the esophagus as part of eating or drinking
	lower someone's spirits; make downhearted
	move something or somebody to a lower position
	alight from (a horse)
	lower (one's body) as by kneeling