Enter a clue or pattern or both:
The Clue
Keystone, e.g.: Var. (8 letter answer)
The Answer
LYNCHPIN
Tags
Notes
The answer LYNCHPIN is so rare that it appears less than once every 2500 puzzles.
Definition
LYNCHPIN as a noun:
1. (anchor, mainstay, keystone, backbone, linchpin, lynchpin) = a central cohesive source of support and stability; "faith is his anchor"; "the keystone of campaign reform was the ban on soft money"; "he is the linchpin of this firm"
2. (linchpin, lynchpin) = pin inserted through an axletree to hold a wheel on