O'haver rhymes with:
ohaver, ohaver, althaver, aver, baver, braver, caver, craver, disfavor, engraver, faivre, faver, favor, favre, flavor, gaver, graver, klaver, lafavre, laver, lefever, lefevre, maxsaver, ohaver, paver, quaver, raver, saver, savir, savor, savr, shaver, staver, traver, waiver, waver, xaver
O'haver sounds like:
o'bara, o'barr, o'berry, obar, obara, obarr, ober, oberry, oeuvre, ofer, offer, offerer, ohaver, opera, opere, opfer, opper, oprah, opry, oubre, ovary, over, overhear, overy