Synonyms of discontent

2 Syllables
trouble, unrest, envy, regret
3 Syllables
objection, vexation, disgruntle, displease, demurral, objections, wretchedness, annoyance, pestering, fretfulness, disgruntling, depression, disgruntled, restlessness
4 Syllables
protestation, disgruntlement, unfulfillment, discontenting, disaffection, disapproval, remonstration, dissatisfy, discontentment, disenchantment, uneasiness, unhappiness, displeasure, protestations
5 Syllables
counter-argument, discontentedness, counterargument