Assignments rhymes with:
assignment's, reassignments, assignment's, reassignments, alignments, assignment's, realignments, reassignments, refinements, abandonments, alignments, arraignments, assignment's, entertainment's, entertainments, environment's, environments, governments', postponements, realignments, reassignments, refinements
Assignments sounds like:
accents, accentuates, accommodates, account's, accounts, acmat's, agematsu, agendas, agent's, agents, agents', aquanauts, ascends, asmodeus, assessments, assignment's, axiomatic