Iontrálacha san Fhoclóir Nua Béarla-Gaeilge a bhrabhsáil
- overtaking
- overthrow
- overtime
- overtired
- overtly
- overtone
- overtrousers
- overture
- overturn
- overturned
- overuse
- overview
- overweening
- overweight
- overweighted
- overwhelm
- overwhelmed
- overwhelming
- overwhelmingly
- overwinter
- overwork
- overworked
- overwrite
- overwritten
- overzealous
- oviduct
- ovipositor
- ovoid
- ovulate
- ovulation
- ovule
- ovum
- owe
- owl
- owlet
- own
- own brand
- own goal
- own up
- own-brand
- own-label
- owner
- owner-occupier
- ownership
- ox
- ox tongue
- ox-eye daisy
- oxidant
- oxidase
- oxidation