Welsh edit

Etymology edit

From perthynas +‎ -ol.

Adjective edit

perthnasol (feminine singular perthnasol, plural perthnasol, equative mor berthnasol, comparative mwy perthnasol, superlative mwyaf perthnasol)

  1. relevant, pertinent

Mutation edit

Welsh mutation
radical soft nasal aspirate
perthnasol berthnasol mherthnasol pherthnasol
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.