急須[kyuusu] small teapot
急須の口[kyuusunokuchi] spout of a teapot
恵比須[webisu] Ebisu (god of fishing and commerce)
須臾[shuyu] little while
必須[hissu] indispensable

必須科目[hissukamoku] required subjects
須要[shuyou] absolutely necessary
白長須鯨[shironagasukujira] blue whale (Balaenoptera musculus)
必須条件[hissujouken] essential condition
長須鯨[nagasukujira] fin whale

頬髯[hoohige] whiskers
鬚髯[shuzen] mustache and beard
口髯[kuchihige] moustache
須髯[shuzen] beard

肉髯[nikuzen] wattle (of a bird's neck)
白髯[hakuzen] white beard
青髯[aohige] use of blue eyebrow pencil to indicate a character has shaved his cheeks (in kabuki)