commence vs start out

commence and start out both are verbs.

Word	Noun	Adjective	Verb	Adverb
commence	No	No	Yes	No
start out	No	No	Yes	No

As verbs, commence and start out are synonyms defined as:

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

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

commence (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
set in motion, cause to start	depart for someplace
get off the ground