in English is:

pith

,

pulp

Mutations

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

Use

y mwydion hyn
fy mwydion i
dy fwydion di
ei fwydion ef/o
ei mwydion hi
ein mwydion ni
eich mwydion chi
eu mwydion nhw/hwy
Phrases (2)
mwydion coed
mwydion papur
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