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"hobby" is also used as a crossword clue. If that's what you saw, the answer is often pastime (7 letters).
Definitions
an auxiliary activity
Word origin
From Middle English hoby, hobeye, from Old French hobé, hobei, hobet, from Medieval Latin hopētus, diminutive of harpe.
Used in a sentence
“I like to collect stamps from different countries as a hobby.”
“take up a hobby”
“give up your hobby”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Leisure interest”5 letters
02“Spare-time pursuit”5 letters
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