early 15c., "removal;" 1520s, "rooting out, eradication," from Latin extirpationem/exstirpationem (nominative extirpatio/exstirpatio), noun of action from past-participle stem of extirpare/exstirpare "root out," from ex "out" (see ex-) + stirps (genitive stirpis) "a root, stock of a tree."
extinction
extinguish
extinguishable
extinguisher
extirpate
extirpation
extol
extoll
extort
extortion
extortionate