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bois

dual all cases

NounMasculinedict

"bois" means "dual all cases" in Irish (masculine noun). Mutation forms: Séimhiú → bhois, Urú → mbois.

Mutation forms

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

MutationForm
Base formbois
Séimhiúbhois
Urúmbois

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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