Rittle rhymes with:
brittle, acquittal, belittle, bittel, bittle, brittle, committal, hittle, it'll, kittel, kittell, kittle, knittel, knittle, littell, little, lyttle, noncommittal, pittle, pytel, skittle, smittle, spittle, tittel, tittle, transmittal, vittle, whittle, zittel
Rittle sounds like:
radel, radell, radella, radial, radially, radle, radley, raithel, rathel, ratley, rattatouille, rattle, readily, reddell, redel, redell, redial, redley, reidel, retail, retell, retool, riddell, riddle, ridell, ridley, riedel, riedl, ritual, rodale, rodela, rodell, rodwell, roedel, roedl, rotella, rothwell, rotolo, rototill, ruddell, ruddle, rudel, rudell, rudelle, rudely, ruotolo, rutile, rutley, ruttle, rydell