Bluebonnet rhymes with:
affectionate, ahranat, alternate, arbuthnot, arnot, baronet, benet, bennett, bernat, bicarbonate, bonnet, cabinet, carnett, chestnutt, compassionate, coordinate, curnutt, definite, diaconate, dispassionate, donat, effeminate, electromagnet, extortionate, ferromagnet, fontenot, fortunate, garnet, geminate, granat, granite, hadnot, incarnate, indefinite, indiscriminate, infinite, innominate, janet, junot, kennett, laminate, lynott, magnate, magnet, manatt, mcburnett, minot, minott, minute, monit, mynatt, nominate, nondiscriminate, obstinate, passionate, peanut, pequignot, pinot, planet, proportionate, rennet, senate, sennet, sennott, shawnut, shelnutt, sinnott, sonat, sonet, sonnett, sultanate, swenet, synnott, tenet, unfortunate, unit, wanat
Bluebonnet sounds like:
ballpoint, belafonte, bioflavonoid