荒廃 （コウハイ） ruin, destruction, devastation, waste, decay

荒野 （コウヤ） wasteland, wilderness, deserted land, prairie, vast plain, wilds, desert, wild land

破天荒 （ハテンコウ） unheard-of, unprecedented

救荒 （キュウコウ） famine relief

荒らす （あらす） to lay waste, to devastate, to damage, to invade, to break into, to troll (e.g. web forums), to spam

粗筋 （あらすじ） outline, summary, argument

荒れる （あれる） to become stormy, to become rough (of the sea), to fall into ruin, to become neglected, to become dilapidated, to become rough (of skin), to get chapped, to become unruly, to become violent, to go wild, to get out of control, to become unsettled (e.g. of one's life), to become disordered

荒い （あらい） rough, wild, violent, rude, coarse, harsh, fierce, heavy (e.g. breathing), immoderate, extravagant, reckless

荒石 （あらいし） unprocessed stone, rubble

荒ぶ （すさぶ） to grow wild, to run to waste, to become degenerate, to become rough (of art, craft, etc.), to lose refinement, to deteriorate (of skill), to intensify (of wind, rain, etc.), to become more severe, to do as one pleases, to amuse oneself, to play around

荒む （すさむ） to grow wild, to run to waste, to become degenerate, to become rough (of art, craft, etc.), to lose refinement, to deteriorate (of skill), to intensify (of wind, rain, etc.), to become more severe

荒らし （あらし） (Internet) troll, disturber, raising havoc, laying waste, trolling, vandalism, robbery, holdup, robber, thief

荒らし回る （あらしまわる） to break into (houses here and there), to rampage

山荒 （やまあらし） porcupine (any mammal of suborder Hystricomorpha)