Jaster rhymes with:
aster, astor, blaster, caster, castor, disaster, faster, gaster, grandmaster, headmaster, kaster, laster, macmaster, master, mcmaster, oleaster, paster, pastor, pasztor, pilaster, plaster, raster
Jaster sounds like:
jeeter, jester, jeter, jethro, jetro, jetter, jittery, jodohur, jokester, juster