[とおしけん, tooshiken] (n) (See 通し切符・2) ticket good for multiple performances (e.g. a whole day, including matinee and evening performances); season ticket; through ticket
[とおしきっぷ, tooshikippu] (n) (1) through ticket (e.g. rail, air); (2) (See 通し券) ticket good for multiple performances (e.g. both matinee and evening shows); all-day ticket; season ticket