cyffeithydd

(hwn) noun masculine (cyffeithyddion)
in English is:

preservative

Mutations

Soft:gyffeithydd
Nasal:nghyffeithydd
Aspirate:chyffeithydd

Use

y cyffeithydd hwn
fy nghyffeithydd i
dy gyffeithydd di
ei gyffeithydd ef/o
ei chyffeithydd hi
ein cyffeithydd ni
eich cyffeithydd chi
eu cyffeithydd nhw/hwy
yr un cyffeithydd
y ddau gyffeithydd cyflym*
y tri chyffeithydd pell*
y pedwar cyffeithydd tawel*
y pum cyffeithydd bach*
y chwe chyffeithydd da*
y saith cyffeithydd glân*
yr wyth cyffeithydd llawn*
y naw cyffeithydd mawr*
y deg cyffeithydd rhyfedd*

* These adjectives were chosen based on their initial letter in order to demostrate their mutations, and therefore their meaning will not make sense after some nouns!

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