They've rhymes with:
aftershave, behave, brave, cave, concave, crave, dave, deprave, engrave, enslave, fave, forgave, gave, grave, knave, kunaev, lafave, lave, lefave, mave, mcclave, misbehave, nave, pave, quave, rave, save, schave, shave, shortwave, slave, stave, unfav, waive, wave
They've sounds like:
taaffe, tab, tabb, tabby, taboo, taff, taffe, taffy, tafoya, taibi, taipei, tap, tape, tapeie, tapia, tapie, tapp, tappe, taub, taube, tavie, tavy, tb, tebbe, tebeau, tebo, tepe, teva, tevye, thabo, that've, thebeau, thibeau, thief, thobe, tibbie, tibby, tibi, tibia, tiff, tip, tipa, tipo, tipoff, tipp, tippie, tippy, tobe, tobey, tobia, tobie, tobu, toby, toffee, tofu, top, tope, topp, toupee, tov, tovey, tovia, toyobo, tub, tuba, tubb, tubby, tube, tufa, tuff, tufo, tupa, tupy, tv, type, typify, typo