Topic
Rainbow Features
Words connected with a rainbow: its parts, traits, habits or surroundings. This topic appears in 4 levels of Word Connect Association and uses 4 different words.
Every Rainbow Features word in the game
ARC×4PRISM×4REFLECTION×4SPECTRUM×4
Most frequent: Arc, Prism, Reflection and Spectrum. If you see any of these on a board, look for three more rainbow features tiles.