Enter a clue or pattern or both:
The Clue
Sneeze cause (8 letter answer)
The Answer
ALLERGEN
Tags
Notes
The answer ALLERGEN is so rare that it appears less than once every 2500 puzzles.
Related Clues
Dust, for one
Pollen, e.g.
It may lead to a breakout
Definition
ALLERGEN as a noun:
1. any substance that can cause an allergy