御猪口[ochoko] small cup
片口鰯[katakuchiiwashi] Japanese anchovy (Engraulis japonica)
白口[shiroguchi] white croaker (Pennahia argentata)
悪たれ口[akutareguchi] abuse
悪口雑言[akkouzougon] all kinds of malicious gossip

異口同音[ikudouon] in concert
異口同音に[ikudouonni] in one voice
ひと口[hitokuchi] mouthful
一口商い[hitokuchiakinai] an immediate definite deal
一口同音[ikkudouon] reading in unison

辣油[raayu] Chinese red chile oil (chile, chilli)
あまに油[amaniyu] linseed oil
荏胡麻油[egomayu] egoma seed oil
英国石油[eikokusekiyu] British Petroleum
乾性油[kanseiyu] drying oil

肝油[kanyu] fish-liver oil (cod, shark, etc.)
含油層[ganyusou] oil strata
揮発油[kihatsuyu] gasoline
給油[kyuuyu] supply of oil
桐油[touyu] tung oil

枯淡[kotan] elegant simplicity
淡い[awai] light
淡黄色[tanoushoku] pale yellow
淡紅色[tankoushoku] pink
淡彩[tansai] light colouring

淡水[tansui] fresh water (i.e. not salt water)
淡雪[awayuki] light snowfall
濃淡[noutan] light and shade
濃淡画像[noutangazou] gray-scale image
平淡[heitan] simple

醤油[shouyu] soy sauce
生醤油[kijouyu] pure soy sauce
醤蝦[ami] opossum shrimp (Mysida spp.)
沖醤蝦[okiami] krill
醤油顔[shouyugao] someone with a slender chin

豆瓣醤[toobanjan] broad bean chili paste (Chinese seasoning)
ポン酢醤油[ponzushouyu] ponzu (Japanese sauce made primarily of soy sauce and citrus juice)
魚醤[gyoshou] fish sauce (made from fermented salted fish)
魚醤油[uoshouyu] fish sauce (made from fermented salted fish)
たまり醤油[tamarijouyu] tamari soy sauce