Extent rhymes with:
stent, discontent, intent, malcontent, stent, tent, accent, ascent, assent, augment, bendt, bent, bente, brent, cement, cent, circumvent, consent, dement, dent, dente, descent, dessent, discontent, dissent, ent, event, fendt, fent, ferment, gent, ghent, gourment, ident, indent, intent, invent, jent, kent, lament, lent, malcontent, meant, mente, misrepresent, misspent, nonevent, outspent, overrepresent, overspent, pent, percent, prevent, reinvent, relent, rent, repent, represent, resent, scent, schwent, sent, spent, stent, tashkent, tent, trent, underrepresent, underwent, unspent, vent, wendt, went, wente, zent
Extent sounds like:
eastend, eastmet, eastwind, eighteenth, esteemed, estimate, estimated, excitement, existent, extant, extend, extended, extenuate