Both are epic jidaigeki. Both star Takuya Kimura as master Samurai/swordsman.....................................................................................
Both are about cute girl gourmet eating Japanese recipes. Both are based on manga. Both are very similar................................
Both are about eating. Both are very similar.................................................................
Both movies are about a woman (Iwashita Shima) leading others to madness.................................................................
Both movies star Kasumi Arimura as kunoichi/Samurai. Both movies are very similar...........................................................
Both movies are about a girl/bunch of highschool students, time Leaping to Sengoku period. Both movies are very similar..................................................
Both are based classic Samurai games.................................................................................
Slapstick humour, silly, parody, breaking fourth wall. Both are famous epic comedy parody........................
Both movies are comedy about a boy ESPer/psychic wearing glasses. Both are very similar. Both are based on famous manga................
Both movies are based on classic robot cyberpunk anime movies. Both movies are very similar................................
Both movies are about dead historical Japanese warriors being resurrected. Both movies are very similar.......................................
Both are about lives of mangakas. Both are very similar.................................................................