Whittle rhymes with:
acquittal, acquittal, belittle, bittel, bittle, brittle, committal, hittle, it'll, kittel, kittell, kittle, knittel, knittle, littell, little, lyttle, noncommittal, pittle, pytel, rittle, skittle, smittle, spittle, tittel, tittle, transmittal, vittle, zittel
Whittle sounds like:
waddell, waddill, waddle, wadel, wadle, wadley, wadlow, watley, wattle, wattwil, weddell, weddle, wedel, wedell, weidel, what'll, whatley, wheatley, wheatly, whitehall, whitehill, whitelaw, whiteley, whitely, whitetail, whitley, whitlow, whitly, whitwell, widdle, widdly, widell, widely, wiedel, wiitala, wittily, woodall, wooddell, woodell, woodhall, woodhull, woodle, woodlee, woodley