get down vs start out

get down and start out both are verbs.

Word	Noun	Adjective	Verb	Adverb
get down	No	No	Yes	No
start out	No	No	Yes	No

As verbs, get down and start out are synonyms defined as:

get down and start out: take the first step or steps in carrying out an action

Other synonyms of get down include begin, commence, get, set about, set out, start.

get down (verb)	start out (verb)
take the first step or steps in carrying out an action	take the first step or steps in carrying out an action
put down in writing; of texts, musical compositions, etc.	depart for someplace
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