raveling
n.— «In some places, air pockets between the soil, rocks and other debris have created a crumbling effect, a process called “dry raveling” that could have played a role in the weekend death of a teenage hiker.» —“Unstable soil needs time for new growth to take root” by Jennifer Bowles Press-Enterprise (Riverside, California) Jan. 14, 2004. (source: Double-Tongued Dictionary)
Further reading
The word filibuster has a long and colorful history, going back to the days when pirates roamed the high seas. Today it refers to hijacking a piece of legislation. Plus, the language of yoga teachers: When doing a guided meditation, you may hear...
An anadrome is a word that forms a whole new word when you spell it backwards. For example, the word “stressed” spelled backwards is “desserts.” Some people’s first names are anadromes. There’s the girl named Noel...