biking — Informal. a bicycle. a motorbike. a motorcycle.
hiking — to walk or march a great distance, especially through rural areas, for pleasure, exercise, military training, or the like.
liking — Usually, likes. the things a person likes: a long list of likes and dislikes.
striking — Military. describing a fighter-bomber aircraft designed to carry large payloads at high speeds and low altitudes and also to engage in air-to-air combat.
viking — any of the Scandinavian pirates who plundered the coasts of Europe from the 8th to 10th centuries.