decimate vs annihilate

decimate and annihilate both are verbs.

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

As verbs, decimate and annihilate are synonyms defined as:

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

decimate (verb)	annihilate (verb)
kill in large numbers	kill in large numbers
kill one in every ten, as of mutineers in Roman armies