営巣[eisou] building a nest
炎症病巣[enshoubyousou] inflamed part
燕巣[ensou] swift's nest (used to make bird's nest soup)
帰巣性[kisousei] homing instinct
空巣狙い[akisunerai] prowler

古巣[furusu] old haunts
精巣[seisou] testicle
青懸巣[aokakesu] blue jay (Cyanocitta cristata)
鼠巣[sosou] rat's nest

隠しカメラ[kakushikamera] hidden camera
隠し引き出し[kakushihikidashi] secret withdrawal
隠し芸[kakushigei] hidden talent
隠し撮り[kakushidori] taking pictures secretly
隠し子[kakushigo] illegitimate child

隠し事[kakushigoto] secret
隠し場所[kakushibasho] cache
隠し食い[kakushigui] eating on the sly
隠し立て[kakushidate] secrecy
隠くす[kakusu] to hide