| Oak
|
| Oak Tree
|
| Oath(Manipur)
|
| Obedient(Manipur)
|
| Obeisance
|
| Obey
|
| Object
|
| Objection
|
| Observe(Manipur)
|
| Obstacle(Manipur)
|
| Occassion
|
| Occupation
|
| Octagon
|
| October
|
| Octopus
|
| Odd Number
|
| Odd Numbers(Manipur)
|
| Odour(Manipur)
|
| Of
|
| Off
|
| Off and on
|
| Offence
|
| Offer
|
| Offering(Manipur)
|
| Office
|
| Offspring(Manipur)
|
| Often
|
| Oil (Tripura)
|
| Oil(Arunachal)
|
| Oil(Assam)
|
| Oil(Manipur)
|
| Oil(Meghalaya)
|
| Oil(Nagaland)
|
| Oil(Sikkim)
|
| Oink
|
| Old
|
| Old fashion
|
| Old fogy
|
| Old Testament
|
| Oldage(Manipur)
|
| Older
|
| Olympics
|
| Omani Rial
|
| Omellete(Manipur)
|
| Omen
|
| Omniously
|
| On
|
| On cloud nine
|
| On haunches
|
| On time
|
| On top
|
| Onam
|
| Once
|
| Once in a blue moon
|
| One day
|
| One hour
|
| One minute
|
| One second
|
| One year
|
| Oneness
|
| Ones
|
| Onion
|
| Online
|
| Only
|
| Onto
|
| Onward
|
| Open
|
| Open testimony
|
| Open-Minded
|
| Opera
|
| Operation
|
| Operation Theatre
|
| Opinion
|
| Opponent
|
| Oppoose
|
| Opportunity
|
| Opposite
|
| Opposition Party
|
| Optic Fibre
|
| Optimism
|
| Or
|
| Orange
|
| Orange(Arunachal)
|
| Orator
|
| Orchids
|
| Ordeal
|
| Order
|
| Order(Mizoram)
|
| Order(Nagaland)
|
| Order(Tripura)
|
| Ordinary People
|
| Ore
|
| Organ(Manipur)
|
| Organic Farmer
|
| Organization(Manipur)
|
| Organizer
|
| Origin
|
| Ornaments
|
| Orphan
|
| Orphan(Manipur)
|
| Ostrich
|
| Other
|
| Others
|
| Our
|
| Our(Arunachal Pradesh)
|
| Ours
|
| Ours(Arunachal Pradesh)
|
| Ourselves
|
| Ourselves(Arunachal Pradesh)
|
| Out
|
| Out(Manipur)
|
| Outcome
|
| Outer part
|
| Outfit(Manipur)
|
| Outing
|
| Output Device
|
| Outside
|
| Outside(Manipur)
|
| Outstanding(Manipur)
|
| Oval
|
| Ovation
|
| Over
|
| Overcast
|
| Overcharge
|
| Overcome
|
| Overconfident
|
| Overdo
|
| Overflow
|
| Overlap
|
| Overlook
|
| Overnight
|
| Owe
|
| Owls
|
| Own
|
| Owner
|
| Ox
|
| Oxygen
|
| Ozone Layer
|
O Words