Herdt rhymes with:
hert, hirt, hurt, hurtt, unhurt, alert, assert, avert, bert, berte, birt, blurt, boisvert, burt, burtt, chert, curt, dessert, dilbert, dirt, disconcert, divert, erte, evert, exert, flirt, gert, girt, hert, hirt, hurt, hurtt, inert, insert, invert, kirt, kuhrt, kurt, mcgirt, mcguirt, mcwhirt, overt, peart, pert, purt, reassert, revert, schwerdt, shirt, skirt, spurt, squirt, subvert, thibert, unhurt, vanwert, vert, wert, wirt
Herdt sounds like:
hairdo, haired, harada, hard, hardaway, hardee, hardey, hardhead, hardheaded, hardie, hardt, hardway, hardwood, hardy, harewood, harried, harriet, harriette, harriott, harrity, harrod, hart, harte, harth, hartt, hartwood, harty, harward, harwood, haworth, hayward, hayworth, heard, heart, hearted, hearth, heartwood, hearty, heradia, herd, herda, herded, heredia, heredity, herewith, herod, herreid, herriott, herrod, hert, herta, hertha, heward, heyward, hirata, hird, hired, hiriart, hirohito, hirota, hirt, hirth, hoard, hoarded, horatia, horatio, hord, horde, horrid, horta, horwath, howard, howarth, howorth, huard, huerta, hurd, hurried, hurt, hurta, hurtado, hurteau, hurtt