Herewith rhymes with:
forthwith, ledwith, withe, b'rith, blyth, dith, fithe, forthwith, frith, ledwith, myth, pith, richardsonsmith, scythe, smith, stith, withe, writhe
Herewith 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, herdt, heredia, heredity, 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