Enter a clue or pattern or both:
The Clue
Kind of box (6 letter answer)
The Answer
TINDER
Tags
Notes
The answer TINDER is rarely seen, appearing only about once every 1000 puzzles.
Related Clues
Kindling
Combustible material
Fast starter
Fire starter
Flammable item
Flammable material
Inflammatory stuff
Kindling's kin
Twigs, perhaps
Contents of a risky box
Highly flammable wood
Definition
TINDER as a noun:
1. (kindling, tinder, touchwood, spunk, punk) = material for starting a fire