in English is:

asthenosphere

Mutations

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

Use

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