The word "Coomb" is a relatively uncommon term that refers to a steep-sided valley or hollow. Synonyms for this word include "dale", "gorge", "ravine", "canyon", and "cliff". Each of these words has a slightly different connotation, with "dale" generally referring to a broad, flat-bottomed valley and "canyon" suggesting a deeper and more winding landscape. "Gorge" and "ravine" may be used interchangeably with "coomb" when referring to a narrow valley with steep sides. "Cliff" is a synonym that specifically refers to a steep, rocky face or edge. Regardless of the specific synonym used, each word communicates the idea of a rugged and dramatic landscape feature.