Rzeczownik z ang. na O
- Orange
- Owl
- Oil
- Octopus
- Onion
- Oak
- Oven
- object
- office
- Olive
- Ostrich
- Order
- Ocean
- Orgasm
- Open
- October
- Oat
- one
- Oval
- Out
- Opera
- Oyster
- owen
- Ornament
- Orphan
- Other
- Owner
- Old
- Oracle
- Opportunity
- Opium
- Oman
- Over
- Online
- Opener
- okay
- Oatmeal
- Okey
- Oxygen
- only
- Our
- officer
- Orchestra
- Odd
- Oral
- Opening
- Otter
- Orangutan
- Oats
- opposite
- offer
- orca
- Orc
- organ
- Older
- Organization
- Olive oil
- Oscar
- Ocular
- Oreo
- Opal
- olives
- Outlet
- Olivia
- operator
- Outside
- Option
- Okno
- omen
- Oak wood
- obstacle
- ore
- oh my god
- original
- Ornitology
- Overthinking
- obesity
- Obvious
- Oculus
- omega
- own
- Ointment
- orange juice
- o'block
- Optimist
- ono
- Ordinary
- Optitian
- Ogre
- Oklahoma
- Oath
- Orb
- Obviously
- Ork
- omlette
- Ozone
- Opinion
- Ombre
- organism
- Omlet
Słowa na liście Rzeczownik z ang. na O pochodzą od graczy gry słownej Państwa Miasta.