Welsh

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Etymology

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llongyfarchiad +‎ -au

Noun

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llongyfarchiadau

  1. plural of llongyfarchiad; congratulations

Interjection

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llongyfarchiadau

  1. congratulations
    Synonym: llongyfarchion

Mutation

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Welsh mutation
radical soft nasal aspirate
llongyfarchiadau longyfarchiadau unchanged unchanged
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.