幽す[yuusu] to confine to a room
幽闇[yuuan] gloom
幽雅[yuuga] refinement
幽界[yuukai] hades
幽閑[yuukan] quiet and secluded

幽鬼[yuuki] ghost
幽客[yuukaku] orchid
幽居[yuukyo] hermitage
幽境[yuukyou] solitude
幽契[yuukei] secret promise made to the gods

狭い[semai] narrow
狭まる[sebamaru] to narrow
狭める[sebameru] to narrow
狭軌[kyouki] narrow gauge
狭軌鉄道[kyoukitetsudou] narrow-gauge railway

狭義[kyougi] narrow sense (e.g. of a word)
狭苦しい[semakurushii] cramped
狭心症[kyoushinshou] heart attack
狭量[kyouryou] narrow-mindedness
肩身が狭い[katamigasemai] feeling ashamed

見窄らしい[misuborashii] shabby
乳窄[chichishibori] milking
屁をひって尻窄め[hewohitteshiritsubome] there's no point squeezing your buttocks after you have farted
窄める[subomeru] to make narrower
狭窄[kyousaku] stricture

尻窄まり[shirisubomari] attenuation
幽門狭窄[yuumonkyousaku] pyloric stenosis
尻窄み[shirisubomi] weak ending
窄む[subomu] to get narrower
窄む[tsubomu] to close

一門[ichimon] family
陰門[inmon] (female) genitalia
開門[kaimon] opening gate
凱旋門[gaisenmon] arch of triumph
冠木門[kabukimon] gate with a crossbar

関門[kanmon] barrier
玉門[gyokumon] beautifully decorated gate (euph. for female genitalia)
桑門[soumon] monk
軍門[gunmon] camp gate