RichThesaurus
cataclysmal
vs
extirpative
cataclysmal
adj
As destructive as a cataclysm.
extirpative
adj
Of, relating to, or pertaining to an extirpation.
How often have the words
cataclysmal
and
extirpative
occurred in a corpus of books?
(source:
Google Ngram Viewer
)