execute vs do

execute is not a noun while do is a noun.

Word	Noun	Adjective	Verb	Adverb
execute	No	No	Yes	No
do	Yes	No	Yes	No

As verbs, do is a hyponym of execute; that is, do is a word with a more specific, narrower meaning than execute:

Other hyponyms of execute include get over, run, consummate, consummate, perform, complete, discharge, dispatch.

As verbs, execute and do are synonyms defined as:

Other synonyms of execute include perform.

execute (noun)	do (noun)
	an uproarious party
	the syllable naming the first (tonic) note of any major scale in solmization

execute (verb)	do (verb)
sign in the presence of witnesses	arrange attractively
put in effect	behave in a certain manner; show a certain behavior; conduct or comport oneself
carry out or perform an action	create or design, often in a certain way
kill as a means of socially sanctioned punishment	carry out or perform an action
murder in a planned fashion	give rise to; cause to happen or occur, not always intentionally
carry out the legalities of	travel or traverse (a distance)
carry out a process or program, as on a computer or a machine	engage in
	carry out or practice; as of jobs and professions
	carry on or function
	get (something) done
	proceed or get along
	be sufficient; be adequate, either in quality or quantity
	spend time in prison or in a labor camp