Enter a clue or pattern or both:
The Clue
Rigor (10 letter answer)
The Answer
STRINGENCY
Tags
Notes
The answer STRINGENCY is so rare that it appears less than once every 2500 puzzles.
Definition
STRINGENCY as a noun:
1. (stringency, tightness) = a state occasioned by scarcity of money and a shortage of credit
2. (strictness, stringency) = conscientious attention to rules and details