Enter a clue or pattern or both:
The Clue
Some mouths (6 letter answer)
The Answer
DELTAS
Tags
Notes
The answer DELTAS is seen occasionally, appearing about once every 850 puzzles.
Related Clues
Brackish water locales
Triangles
Certain stars
Fluvial plains
River deposits
Triangular letters
Flood-prone areas
Some fertile regions
Some fraternity members
Some sorority women
Symbols of change
River areas named for their shape
Definition
DELTA as a noun:
1. a low triangular area where a river divides before entering a larger body of water
2. the 4th letter of the Greek alphabet