excavate vs dig out

excavate and dig out both are verbs.

Word	Noun	Adjective	Verb	Adverb
excavate	No	No	Yes	No
dig out	No	No	Yes	No

As verbs, dig out is a hyponym of excavate; that is, dig out is a word with a more specific, narrower meaning than excavate:

Other hyponyms of excavate include dig, dig up.

excavate (verb)	dig out (verb)
find by digging in the ground	create by digging
remove the inner part or the core of	dig out from underneath earth or snow
form by hollowing	remove, harvest, or recover by digging
recover through digging