BristolDon wrote:
BertieWoostersDonsClub wrote:
While we wait for Keyser to give the final connection of the other wall, here's a new one to be going on with...
Triangle. Knot. Marker. Royals.
Extension. Bicycle. Kings. City.
Indians. Rest. Quadrant. Youth.
Flame. Capitals. Uniform. Spider.
I can see four words beginning with Latin prefixes based on numbers - Uniform, Bicycle, Triangle, and Quadrant. But knowing you, that's probably a red herring as it seems too obvious.
There's also 5 obvious sports teams - Royals (Kansas City, baseball), Kings (Sacremento, basketball), Indians (Cleveland, baseball), Capitals (Washington, ice hockey), and Flame (Calgary, ice hockey). Also knowing you, I'd guess that that's probably a category, but not sure which of those are the right ones (or if there's any extra that I've missed)
Great spots.

I don't know if to take the first part as a compliment or not as it
is a group, and I thought I'd managed to sneak it in without making it too easy.
So that's:
Latin prefixes based on numbers - Uniform, Bicycle, Triangle, and Quadrant.
You're right about the sporting names, and it is 4 out of those 5. But you haven't yet said the one sport that covers all 4 so I'll leave that group until you've spotted it.
Going to be really abstract, but as I know you like words including numbers, have you done a real sneaky and gone for: