Harter rhymes with:
hartter, arter, barter, carter, charter, darter, garter, hartter, karter, marter, martyr, mcartor, mccarter, nonstarter, sartor, smarter, starter, tartar, tarter, vanmarter
Harter sounds like:
harder, hardier, hardware, hartter, heartier, herder, hereditary, herter, horter, howerter, huerter