Rzeczownik z ang. na O
- Orange
- Owl
- Oil
- Octopus
- Onion
- Oven
- Oak
- object
- office
- Olive
- Ostrich
- one
- Order
- Ocean
- October
- Orgasm
- Oat
- oval
- Oyster
- Ornament
- Out
- Opera
- Okay
- Owner
- Only
- Orphan
- Oracle
- Owen
- Opening
- Oxygen
- Otter
- Other
- Orangutan
- Opium
- Okey
- Opportunity
- Oatmeal
- Opener
- Oats
- Oman
- Oscar
- Orca
- Orc
- Outlet
- Orb
- organ
- operator
- ore
- Orchestra
- Online
- officer
- obstacle
- Our
- Organization
- Opal
- Older
- Ocular
- Outside
- Oreo
- olives
- Ogre
- Operation
- olive oil
- offer
- Odd
- Obvious
- own
- Ornitology
- organism
- Ordinary
- orange juice
- Option
- opposite
- Onyx
- Olivia
- Okno
- Ohio
- Offline
- o'block
- Oath
- Oak wood
- Overthinking
- Omlet
- Ombre
- Often
- Obesity
Slová v zozname Rzeczownik z ang. na O pochádzajú od hráčov slovnej hry Meno, Mesto, Zviera, Vec.