diolchgar

Welsh

Etymology

diolch +‎ -gar

Adjective

diolchgar (feminine singular diolchgar, plural diolchgar, equative mor ddiolchgar, comparative mwy diolchgar, superlative mwyaf diolchgar)

1. thankful, grateful

Mutation

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