[a], [b], [c], [d], [e], [f] ← 17 | 18 | 19 → [a], [b] |
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Cardinal (feminine / vigesimal): tair ar bymtheg, ugain namyn dwy Cardinal (decimal): un deg wyth Cardinal (vigesimal): deunaw Ordinal (masculine / vigesimal): trydydd ar bymtheg Ordinal: deunawfed Ordinal abbreviation: 18fed | ||
Welsh Wikipedia article on 18 |
From deunaw (“eighteen”) + -fed (“-th”).
deunawfed (feminine singular deunawfed, plural deunawfed, not comparable)
Welsh mutation | |||
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radical | soft | nasal | aspirate |
deunawfed | ddeunawfed | neunawfed | unchanged |
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. |