専門家【せんもんか】
specialist, expert, professional, authority, pundit
専門【せんもん】
speciality, specialty, subject of study, expert, area of expertise
部門【ぶもん】
division (of a larger group), branch, field, class (subclass), group, category, department
長門【ながと】
Nagato (former province located in the west of present-day Yamaguchi Prefecture)
名門【めいもん】
noted family, noble family, prestigious school, organization, business, etc.
入門【にゅうもん】
becoming a pupil (of), becoming a disciple, entering an institution, beginning training, introduction (to), primer, guide, entering through a gate
関門【かんもん】
barrier, checkpoint, gateway, hurdle, obstacle, trial
正門【せいもん】
main gate, main entrance
門下生【もんかせい】
pupil, disciple, follower
専門学校【せんもんがっこう】
vocational school, technical school
専門店【せんもんてん】
specialist shop, shop specializing in a particular type of product
板門店【パンムンジョム】
Panmunjon (Korea), Joint Security Area (Korean Demilitarized Zone)
専門的【せんもんてき】
technical (e.g. discussion), exclusive, professional
門戸【もんこ】
door
専門医【せんもんい】
(medical) specialist
宗門【しゅうもん】
(religious) denomination, sect
登竜門【とうりゅうもん】
gateway to success, opening to honours, opening to honors
門松【かどまつ】
New Year's pine decoration
門前【もんぜん】
before the gate, in front of the gate
門外漢【もんがいかん】
outsider, layman, amateur
