Jackhammer rhymes with:
goldhammer, gyllenhammar, krauthammer, lillehamer, lillehammer, shellhammer, sledgehammer, goldhammer, gyllenhammar, krauthammer, lillehamer, lillehammer, programmer, shellhammer, sledgehammer, swackhamer
Jackhammer sounds like:
jahner, jamar, jammer, janeiro, janiero, january, jasmer, jeaner, jenner, jesmer, joiner, joinery, joyner, junior