粗悪 is read as そあく (soaku) and means coarse.
そあく
soaku
そあくひん
inferior goods
そまつ
crude
そだい
coarse
あらい
あらすじ
outline
そしな
gift given out by companies to customers as a token of gratitude
そや
rustic
そぼう
rough (behaviour, temperament, etc.)
そこう
crude steel
あらけずり
rough-hewn
そざつ
そだいうんどう
gross motor skill