Here are some common terms from the glossary of Chris D’s 2005 book “Outlaw Masters of Japanese Cinema” Which I am currently devouring.
Bosozoku – Teenage car/motorcycle gangs, often serving as an apprenticeship for the Yakuza.
Chanbara – Swordplay cinema, usually Samurai.
Daimyo – Samurai lord.
Eiga – film/movie(s)
Gendai – modern.
Hara-kiri – Ritual suicide with sword.
Ippiki okami – lone wolf.
Jidai-geki – historical period piece, usually Samurai orientated.
Jingi – Honor and humanity; sometimes used to signify the code of gamblers and Yakuza.
Jitsuroku – true account.
Kaibyo – cat ghost.
Kaidan – ghost story/strange tale.
Kempeitai – military police.
Manga – comic book.
Matatabi – wandering, gambling swordsman.
Ninkyo – chivalrous.
Onnagata – male preformer cast in female role; common in 19th century Kabuki theatre as well as early 20th century silent era films.
Oyabun – boss.
Pink – intense softcore porn, often with ultra-violent content.
Roman porn – pink films with “romantic” as well as S&M styled interludes.
Ronin – masterless Samurai.
Shoringi kenpo – hand-to-hand fighting and boxing style combining philosophy martial arts.
Sukeban – delinquent girl gang leader.
Yakuza – gangster
zankoku – cruel.
