Rzeczownik z ang. na O
- Orange
- Owl
- Oil
- Octopus
- Onion
- Oven
- Oak
- office
- Object
- Ocean
- Olive
- Ostrich
- One
- Order
- October
- Orgasm
- Oval
- Oat
- Oyster
- Owner
- Ornament
- Out
- Opera
- Okay
- Oxygen
- Other
- only
- Old
- Otter
- Oracle
- Owen
- over
- Orphan
- Opening
- Orangutan
- Opium
- Opener
- Okey
- Oatmeal
- Opportunity
- Oats
- ore
- Orca
- Orc
- Orbit
- Opal
- Oman
- officer
- Oscar
- Oral
- Outlet
- Our
- organ
- Orb
- obstacle
- operator
- olive oil
- Orchestra
- Online
- Ocular
- Outside
- Organization
- Oreo
- olives
- Older
- Origami
- Ordinary
- Ogre
- offer
- Operation
- Olivia
- Odd
- Obvious
- o'block
- own
- Ornitology
- Original
- organism
- orange juice
- Option
- opposite
- Onyx
- Omlet
- ola
- Okno
- Ohio
- Offline
- Oculus
- Oath
- Oak wood
- Ombre
- Often
- Obesity
- Oasis
Слова в списке Rzeczownik z ang. na O исходят от игроков словесной игры Игра категории.