How do you handle words with obvious real-world origins in your secondary worlds, like Arabian horses and champagne?

“Would you like a coin to flip?”

“It starts with one flumph”

Yesterday I learned that when you are fighting shadows, a potion of giant strength becomes a potion of healing

Are there any symbols particularly associated with bad luck in the Forgotten Realms?

Venom breaks down rather fast if harvested. Have alchemists or poison crafters ever developed a stabilizing agent to prevent this issue?

Evermoors: Is there any more lore from ol’ Elminster regarding The Splendor?