Answer: MUSHROOM
MUSHROOM is a crossword puzzle answer that we have spotted 16 times.
Referring Clues:
- Grow exponentially
 - Fairy ring component
 - Pizza topping
 - Grow uncontrollably
 - Grow and grow and grow
 - Develop rapidly
 - Grow rapidly
 - Umbrella shaped fungus
 - Grow enormously
 - Shiitake
 - Grow and spread quickly
 - Grow out of control
 - Soup morsel
 - Delicious fungus
 - What is the smallest room in the world?
 - Grow quickly
 
Last Seen In:
- New York Times - August 22, 2019
 - King Syndicate - Eugene Sheffer - December 02, 2010
 - Washington Post - May 30, 2010
 - LA Times - June 17, 2009
 - King Syndicate - Eugene Sheffer - January 15, 2008
 - King Syndicate - Eugene Sheffer - December 28, 2005
 - King Syndicate - Eugene Sheffer - July 20, 2005
 
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