in English is:

diagnostics

Mutations

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

Use

y ddiagnosteg hon
fy niagnosteg i
dy ddiagnosteg di
ei ddiagnosteg ef/o
ei diagnosteg hi
ein diagnosteg ni
eich diagnosteg chi
eu diagnosteg nhw/hwy
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