periodic;  regular;  routine
 periodic medical check-up (examination)
 irregular;  indeterminate;  tramp (steamer)
 regular (periodic) examination
 commuter pass;  season ticket
 term deposit;  (fixed) time deposit
 commuter pass container;  holder for a season ticket
 regularly scheduled game;  regularly scheduled match
 subscription (e.g. to a magazine)
 periodic inspection;  regular inspection
 periodic check;  periodic inspection;  routine inspection
 scheduled bus;  fixed route bus
 school seasonal (train and bus) ticket
 regular (annual) pay raise
 fixed task;  scheduled task
 commutation ticket;  season ticket
 commuter pass;  season ticket