RichThesaurus
annihilative
vs
extirpative
annihilative
adj
Serving to annihilate; radically destructive.
extirpative
adj
Of, relating to, or pertaining to an extirpation.
How often have the words
annihilative
and
extirpative
occurred in a corpus of books?
(source:
Google Ngram Viewer
)