Tambs rhymes with:
am's, ambs, ams, brams, cam's, clams, crams, dam's, damns, dams, drams, exams, grahams, gramm's, gramms, grams, hammes, hams, jam's, jams, krammes, lamb's, lambs, lambs', lamm's, mesdames, pam's, rams, sam's, samms, sams, scams, slams, trams, yams
Tambs sounds like:
tampa's, tampax, tamposi, tamps, tempos, temps, tenpas, thumbs, thumps, timbs, timepiece, tombs, toombs, tunafish