French caféine

→ English caffeine (borrowed)

→ Welsh caffîn (derived)

→ French décaféiné (confix)

→ Irish caiféin (derived)

→ Norwegian Bokmål koffein (derived)

→ Dutch cafeïne (borrowed)

→ Norwegian Nynorsk koffein (borrowed)

→ Polish kofeina (borrowed)

→ Romanian cafeină (borrowed)

→ Turkish kafein (borrowed)