error - mistake, misjudgment⏎
fickle - changeable, unreliable⏎
markdown - cheapen, reduce price⏎
duplicate - copy, reproduce⏎
equity - money, capital, funds, asset, share⏎
help - aid, support, assist, buddy, mentor, guide, teach, assistance, care for, oversee, facilitate, enable⏎
grounding - training, knowledge⏎
flop - failure, washout, non-event, damp squib⏎
expert - ace, skilled, proficient⏎
hallmark - sign, feature, indication, standard (of quality of something)⏎