Lampp rhymes with:
clamp, lamp, lampe, unclamp, amp, camp, champ, clamp, cramp, damp, decamp, encamp, gamp, hamp, hampe, kamp, kampe, kramp, krampe, lamp, lampe, ramp, revamp, samp, schamp, shamp, stamp, tamp, tramp, trampe, unclamp, vamp, vancamp
Lampp sounds like:
lamb, lambe, lambeau, lambie, lamboy, lamby, lamp, lampe, lampf, lampi, lampo, laneve, lehnhoff, lembo, lemp, lenhoff, limb, limbo, limp, lineup, lomb, lomba, lumb, lump, lumpp, lumpy, lymph