Acronyms with O
- OSHA
- OTP
- OTT
- OPEC
- OWL
- OAP
- OBS
- OPP
- OPS
- OTC
- orange
- ONO
- OIL
- OECD
- Odd
-
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- OLED
- OVA
- OSS
- OCT
- OMS
- OBE
- OWN
- Open
- OAR
- Over
- OAS
- OPT
- One
- ONS
- OMB
- O.W.L.
- Olive
- OAT
- out
- old
- OTA
- octopus
- OCR
- ORG
- O.M.G.
- OWLS
- OEM
- Oval
- O.K.
- OTG
- OASIS
- ORD
- ORO
- O.R
- O.W.L
- OED
- Ola
- Omega
- Owen
- ouch
- O.P
- OOH
- OFS
- OTB
- OAK
- O.T.
- ominous
- Outfitters
- Only
- OTOH
- OIL RIG
- Onto
- ONGC
- oops
- O.J.
- O.W.Ls
- O.W.C.A
- Oreo
- OPSM
The words in the list Acronyms with O come from players of the word game Categories game.