Arraignment rhymes with:
attainment, containment, entertainment, infotainment, abandonment, adjournment, adornment, alignment, apportionment, assignment, atonement, attainment, confinement, consignment, containment, discernment, disillusionment, enlightenment, entertainment, environment, imprisonment, infotainment, internment, misgovernment, nongovernment, postponement, realignment, reapportionment, reassignment, refinement, self-government
Arraignment sounds like:
aerosmith, arachnid, arcand, arcement, arcosanti, argent, argenta, argento, argonaut, argument, arizmendi, arraigned, arrasmith, arrogant, arrowsmith, arsenide