in English is:

expediency

,

opportunism

Mutations

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

Use

y fanteisiaeth hon
fy manteisiaeth i
dy fanteisiaeth di
ei fanteisiaeth ef/o
ei manteisiaeth hi
ein manteisiaeth ni
eich manteisiaeth chi
eu manteisiaeth nhw/hwy
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