eradicate vs annihilate

eradicate and annihilate both are verbs.

Word	Noun	Adjective	Verb	Adverb
eradicate	No	No	Yes	No
annihilate	No	No	Yes	No

As verbs, eradicate and annihilate are synonyms defined as:

Other synonyms of eradicate include carry off, decimate, eliminate, extinguish, wipe out.

eradicate (verb)	annihilate (verb)
kill in large numbers	kill in large numbers
destroy completely, as if down to the roots