Here is a list of words that cannot be used in the game chat (including whispers and Battle.net private messages).
Attention! The raid team reserves the right to remove a customer from the raid/key run if they used any of the words below.
Forbidden trigger words
Account share / Selfplayed
Booster
Buy / Purchase / Pay / Sell
Buyer / Customer
Chargeback / Dispute / Claim / Refund
Euro / € / Dollar / $ / PayPal
Order / Boost / Money run
Shop / Website / Market / Store / Site
VPN
WowVendor / WV / Vendor group
Best to avoid
Guaranteed loot
Livechat
Premium/Advanced
Service
Stream
Trader