- oad ... obdureness
- obeah ... objected
- objectify ... obliquation
- oblique ... obscurantism
- obscurantist ... obsignatory
- obsolesce ... obtest
- obtestation ... occasionable
- occasional ... oceanic
- oceanography ... octane
- octangular ... octostichous
- octostyle ... odometer
- odometrical ... oeiliad
- oeillade ... office
- officeholder ... oglio
- ogre ... oleandrine
- oleaster ... oligopetalous
- oligosepalous ... omission
- omissive ... omoplate
- omostegite ... onerous
- onerously ... onychomancy
- onychophora ... oozing
- oozoa ... operatory
- opercle ... ophthalmology
- ophthalmometer ... opisthography
- opisthomi ... oppression
- oppressive ... opuscula
- opuscule ... orbicular
- orbiculate ... ordain
- ordainable ... oreoselin
- oreosoma ... organzine
- orgeat ... oriole
- orion ... orographical
- orography ... orthodome
- orthodox ... orthosilicic
- orthospermous ... oscitant
- oscitantly ... osseter
- ossianic ... osteogenesis
- osteogenetic ... ostracodermi
- ostracoid ... otoscopy
- otosteal ... outbalance
- outbar ... outdoors
- outdraw ... outgrowth
- outguard ... outmeasure
- outmost ... outroar
- outrode ... outstreet
- outstretch ... outwrite
- outzany ... overbide
- overblow ... overdate
- overdeal ... overflown
- overflush ... overhang
- overhanging ... overlate
- overlave ... overmerit
- overmickle ... overpraise
- overpraising ... overruling
- overrun ... oversoon
- oversorrow ... overtedious
- overtempt ... overwear
- overweary ... ovococci
- ovococcus ... oxacid
- oxalan ... oxidizer
- oxidizing ... oxymel
- oxymethylene ... ozonous
Dictionary
English - Scots Gaelic