乗り換える
のりかえる · norikaeru · JLPT N4 · verb-ichidan
to transfer
🚉🔁 乗り換える = ride (乗り) + swap (換える): swap your ride
乗る means to ride and 換える means to exchange. Joined, nori + kaeru is literally ride-swapping: you get off one train or bus and board another. The same 換える appears in 交換 (exchange).