Enter a clue or pattern or both:
The Clue
Yeast, e.g. (9 letter answer)
The Answer
LEAVENING
Tags
Notes
The answer LEAVENING is so rare that it appears less than once every 2500 puzzles.
Definition
LEAVENING as a noun:
1. (leaven, leavening) = an influence that works subtly to lighten or modify something; "his sermons benefited from a leavening of humor"
2. (leaven, leavening) = a substance used to produce fermentation in dough or a liquid
LEAVEN as a verb:
1. (raise, leaven, prove) = cause to puff up with a leaven; "unleavened bread"