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os

deer

NounMasculineA2/ɔsˠ/

"os" means "deer" in Irish (masculine noun). Pronounced /ɔsˠ/. Mutation forms: Urú → n-os, Réamhlitir h → hos, Réamhlitir t → t-os.

Mutation forms

In Irish, the first letter of "os" changes depending on the grammatical context. These are the mutated forms:

MutationForm
Base formos
Urún-os
Réamhlitir hhos
Réamhlitir tt-os

"os" in context

Tá faitíos air roimh a athair.

He is afraid of his father.

A1

Táim níos áille ná tusa.

I am more beautiful than you.

A2

Tá na laethanta ag éirí níos faide agus níos faide.

The days are getting longer and longer.

A2

Teastaíonn níos mó uainn.

We need more.

A1

Teastaíonn níos mó.

More is needed.

A1

Further reading

Irish Mutations: Complete Guide to Séimhiú and Urú →Irish Pronunciation, The System Behind the Spelling →How to Learn Irish as an Adult, A Step-by-Step Roadmap →Best Irish Learning App 2026 →Browse all Irish vocabulary →

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