Fill in the blanks with stationary, stationery, principal or principle. 1. Marathon runner Jess Trengove, who is pregnant, has been exercising on a _____ bike as part of her training. 2. She must ...

Stationary and Stationery. Never get mixed up again over the spelling of these two different words, and their meanings. On The BBC. Learning. Resources for learners of all ages, including video clips.