Theil rhymes with:
theile, aisle, argyll, awhile, beguile, bile, bille, cheil, compile, deihl, delisle, file, geil, gile, gille, guile, heil, hile, hyle, i'll, isle, kile, kurzweil, kyl, kyle, lile, lyle, marseille, mile, monteil, nevile, niall, nile, panfile, pfeil, phyle, pile, pyle, refile, reihl, restyle, revile, rile, ruyle, ryle, seil, sheil, smile, soleil, stile, style, theile, tile, vantuyl, vile, weil, weill, while, wile, worthwhile, wyle, zile
Theil sounds like:
tail, tal, talal, tale, tall, talley, tallie, tallil, tallo, tallow, tallula, tallulah, tally, tallyho, tattle, taul, tawil, tayloe, teal, teale, teall, teel, teele, teeley, teitel, teitell, tel, tele, tell, tello, telly, tetley, tetlow, tewell, thal, thalia, thall, that'll, theall, theel, theile, theola, they'll, thiel, thiele, thill, thoele, thole, tholl, thul, thull, tidal, tiddly, tidwell, til, tile, tiley, till, tilley, tillie, tilly, title, titlow, tittel, tittle, toal, today'll, toddle, toelle, toil, tol, tole, toll, tolle, tolley, tolly, tool, toole, tooley, tootal, tootle, total, totally, towel, towell, towle, tuel, tuell, tula, tuley, tull, tulley, tullia, tullio, tullo, tully, tuthill, tuttle, tuyle, twaddell, twaddle, tweedle, twiddle, twill, twilley, twyla, tylee