completely vs entirely

completely and entirely both are adverbs.

Word	Noun	Adjective	Verb	Adverb
completely	No	No	No	Yes
entirely	No	No	No	Yes

As adverbs, completely and entirely are synonyms defined as:

completely and entirely: to a complete degree or to the full or entire extent; Completely or entirely

Other synonyms of completely include all, altogether, right, totally, whole, wholly.

completely (adverb)	entirely (adverb)
so as to be complete; with everything necessary	to a complete degree or to the full or entire extent; Completely or entirely
to a complete degree or to the full or entire extent; Completely or entirely	without any others being included or involved