progeny -iesexp
crazy / -ier / -iestexp
dirty / dirtier / -iestexp
early / earlier / -iestexp
easy / -ier / -iestexp
happy / happier / -iestexp
heavy / heavier / -iestexp
pretty / prettier / -iestexp
thrifty / thriftier / -iestexp
Report or add missing word to a dictionary...