• chatroom,
• xhat room,
• vhat room,
• fhat room,
• dhat room,
• cgat room,
• cbat room,
• cnat room,
• cjat room,
• cuat room,
• cyat room,
• chzt room,
• chst room,
• chwt room,
• chqt room,
• char room,
• chaf room,
• chag room,
• chay room,
• cha6 room

The adjective form of the word "chat room" is "chatty".

The plural of the "chat room" can be the "chat rooms".

The singular of the "chat room" can be the "chat room".