grub out vs excavate

grub out and excavate both are verbs.

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

As verbs, excavate is a hypernym of grub out; that is, excavate is a word with a broader meaning than grub out:

Other hypernyms of grub out include dig up, turn up.

grub out (verb)	excavate (verb)
dig up	find by digging in the ground
	remove the inner part or the core of
	form by hollowing
	recover through digging