Things associated with winter with O
- Ornaments
 - Overcoat
 - Ornament
 - Outerwear
 - Oven
 - Open fire
 - Outside
 - opening presents
 - Outdoors
 - Olympics
 - Overcast
 - Oatmeal
 - Overalls
 - owl
 - Overcoats
 - Ocean
 - Opening gifts
 - onesie
 - oil
 - outdoor
 - Open fires
 - Outer wear
 - overall
 - Oh Holy Night
 - O Christmas tree
 - Overly cold
 - Online
 - Old boots
 - Oversleeping
 - overshoes
 - Oval
 - outside cold
 - Outdoor sports
 - Outdoor skating
 - onions
 - Old sweaters
 - Old people
 - O Holy Night
 - Outside snow
 - Ostrich
 - Oscars
 - Open windows
 - Old people dying
 - Olaf the snowman
 
The words in the list Things associated with winter with O come from players of the word game Categories game.