外堀[sotobori] outer moat (castle)
堀り抜く[horinuku] to dig through
根堀り葉堀り[nehorihahori] thoroughly
堀り鼠[horinezumi] pocket gopher
堀散らす[horichirasu] to dig up messily

堀川[horikawa] canal
内堀[uchibori] inner moat
釣堀[tsuribori] fish pond
堀り返す[horikaesu] to dig up

御返し[okaeshi] return gift
ごった返す[gottagaesu] to be in confusion or commotion
引返す[hikikaesu] to repeat
引繰り返る[hikkurikaeru] to be overturned
往き返り[yukikaeri] round trip

往返[ouhen] round trip
押返す[oshikaesu] to force back
恩を仇で返す[onwoadadekaesu] to return evil for good
恩返し[ongaeshi] requital of a favour (favor)
割り返し[warikaeshi] rebate