Is this your crossword clue?
"collections" is also used as a crossword clue. If that's what you saw, the answer is often groups (6 letters).
Definitions
Groups of gathered objects or works.
Used in a sentence
“We have sent your account to collections.”
“Sorry, but you'll have to talk with collections.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Sets”11 letters
Not quite right?
"Search similar patterns."
C__________