井の中の蛙大海を知らず[inonakanokawazutaikaiwoshirazu] parochial
井桁[igeta] well lining
井戸[ido] water well
井戸屋形[idoyakata] well roof
井戸掘り[idohori] well digging

井戸綱[idozuna] well rope
井戸車[idoguruma] well pulley
井戸水[idomizu] well water
井戸側[idogawa] well curb
井戸替え[idogae] well cleaning

御守[omamori] charm
井守[imori] newt (esp. the Japanese fire belly newt, Cynops pyrrhogaster)
看守[kanshu] jailer
看守者[kanshusha] jailer
居留守[irusu] pretending to be out

見守る[mimamoru] to watch over
厳守[genshu] strict observance
固守[koshu] clinging
攻守[koushu] offense and defense
子守り[komori] babysitter

一肌脱ぐ[hitohadanugu] to pitch in and help
黄肌[kihada] yellowfin tuna (Thunnus albacares)
学者肌[gakushahada] scholarly bent of mind
山肌[yamahada] mountain's surface
小肌[kohada] mid-sized konoshiro gizzard shad (i.e. about 15 cm in size)

親分肌の人[oyabunhadanohito] bossy
粗い肌[araihada] rough skin
素肌[suhada] bare (naked) body
地肌[jihada] texture
鶏肌[torihada] gooseflesh

鱘鮫[chouzame] sturgeon (Acipenser mikadoi)
鰐鮫[wanizame] ferocious shark
鮫膚[samehada] rough skin (like that of a shark)
鋸鮫[nokogirizame] saw shark (esp. the Japanese saw shark, Prietiophorus japonicus)
青鮫[aozame] shortfin mako shark (Isurus oxyrinchus)

鮫皮[samegawa] sharkskin
小判鮫[kobanzame] remora
葦切鮫[yoshikirizame] blue shark (Prionace glauca, species of circumglobal requiem shark)
角鮫[tsunozame] dogfish (any shark of family Squalidae)