Synonyms for Extinguish (same or very similar meaning)
WordNet sense 1 (put out, as of fires, flames, or lights):
quench, blow out, snuff outWordNet sense 2 (extinguish by crushing):
stub out, press out, crush outWordNet sense 3 (kill in large numbers):
annihilate, decimate, eliminate, eradicate, wipe out, carry offFrom the ODE community, based on WordNetadd/edit