aneffeithioldeb:aneffeithiolrwydd

(hwn) noun masculine
in English is:

ineffectiveness

,

inefficacy

Mutations

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

Use

yr aneffeithioldeb hwn
fy aneffeithioldeb i
dy aneffeithioldeb di
ei aneffeithioldeb ef/o
ei haneffeithioldeb hi
ein haneffeithioldeb ni
eich aneffeithioldeb chi
eu haneffeithioldeb nhw/hwy
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