Red-herring rhymes with:
haring, herring, airing, baring, bearing, behring, bering, blaring, caring, chairing, comparing, daring, declaring, derring, despairing, erring, fehring, flaring, garing, gehring, glaring, haring, herring, impairing, maring, mehring, nehring, overbearing, pairing, paring, preparing, repairing, scaring, sharing, snaring, sparing, squaring, staring, swearing, tearing, uncaring, unsparing, wareing, waring, wearing, zaring, zehring, zeringue
Red-herring sounds like:
red-herrings, redrawing, reordering, retiring, retraining, retrench, retrying, returnees, returning, returns, returns'