コウ

あら.い、あら-、あ.れる、あ.らす、-あ.らし、すさ.む

川, 艾, 亡

laid waste, rough, rude, wild

荒す(あらす): (1) to lay waste; to devastate; to damage (2) to invade; to break into (3) to troll (e.g. web forums); to spam
荒れる(あれる): (1) to be stormy; to be rough (2) to be ruined; to fall into ruin (3) to be in a bad temper; to lose one's temper
荒廃(こうはい): ruin; destruction; devastation; waste; decay
荒っぽい(あらっぽい): rough; rude
荒い(あらい): rough; rude; wild