Echelons rhymes with:
avalon's, avalon's, nylons, pylons, agamemnon's, ailerons, amazon's, amazons, antiphons, avalon's, axons, crayons, deuterons, farrakhan's, germiston's, helicons, hogan's, hogans, icons, infotron's, lexicons, liaisons, lifson's, lubicons, marathons, mesons, micron's, microns, neons, neutrons, nylons, olajuwon's, pentagon's, pentagons, photons, pompons, positrons, proton's, protons, pylons, ragavan's, reveron's, slip-ons, upjohn's, walk-ons
Echelons sounds like:
echlin's, equaling, equilink, excellence, excellencies, excellency, excelling, exclaiming, exclaims