Enter a clue or pattern or both:
The Clue
Water polo teams, e.g. (7 letter answer)
The Answer
HEPTADS
Tags
Notes
The answer HEPTADS is so rare that it appears less than once every 2500 puzzles.
Definition
HEPTAD as a noun:
1. (seven, 7, VII, sevener, heptad, septet, septenary) = the cardinal number that is the sum of six and one