- organic phenomenon
- order xiphosura
- order xyridales
- order commelinales
- organogenesis
- one of the generals in the army of lord ra:m and the son of monkey_king
- oh ! (an exclamation of surprise or wonder in case of an unexpected appearance or meeting etc.)
- officialism
- on that point
- one who is well_versed in shastras
- op
- out_of_door
- out of view
- ophthalmia neonatorum
- orb web
- overlip
- offshore rig
- oil_industry analyst
- oil_water interface
- orville wright
- oil cartel
- organization of petroleum_exporting countries
- open air theater
- open heart surgery
- outskirts
- one who lives by one's sweat
- or of the nature of
- on further acquaintance
- one more
- on an average
- ostentate
- offensive activity
- one quadrillion
- on the tip of tongue
- one of the fourteen worlds (of which seven are above and seven below)
- on stage
- off season
- optical device
- one of the leading monkey_warriors of ram's army that fought the demon_king ra:vāṉ
- oh ! ah me !
- one who is survived by his name and fame
- on the credit side
- of the colour of
- of rose
- one who has a right
- one who has aberrated
- one who has no enemy
- out to
- ormolu
- orange red