in English is:

seriousness

,

gravity

Mutations

Soft:ddifrifwch
Nasal:nifrifwch
Aspirate:(no mutation)

Use

y difrifwch hwn
fy nifrifwch i
dy ddifrifwch di
ei ddifrifwch ef/o
ei difrifwch hi
ein difrifwch ni
eich difrifwch chi
eu difrifwch nhw/hwy

difrifoldeb:difrifwch2

(hwn) noun masculine
in English is:

earnestness

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