Word

door (esp. Japanese-style); entrance (to a home); narrows
Word

もん、かど
gate; branch of learning based on the teachings of a single master; division; counter for cannons
Word

専門

專門
せんもん
speciality; specialty; subject of study; expert; area of expertise
Word

部門

ぶもん
division (of a larger group); branch; field; class (subclass); group; category; department
Word

入門

にゅうもん
entering an institution; beginning training; primer; manual; introduction (to)
Word

一門

いちもん
family; clan; kin; sect; school; adherents; followers; disciples; group of related sumo stables
Word

名門

めいもん
noted family; noble family; prestigious school, organization, business, etc.
Word

鳴門

鳴戸
なると
strait with a roaring tidal ebb and flow; whirlpool; maelstrom; kamaboko with a spiral whirlpool-like pattern; cooking technique where ingredients are cut in a spiral pattern; Naruto; city in NE Tokushima pref.; Naruto Strait; Naruto wakame
Word

門下

もんか
one's pupil or student or follower
Word

大門

だいもん、おおもん
large front gate