in English is:

climatology

Mutations

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

Use

yr hinsoddeg hon
fy hinsoddeg i
dy hinsoddeg di
ei hinsoddeg ef/o
ei hinsoddeg hi
ein hinsoddeg ni
eich hinsoddeg chi
eu hinsoddeg nhw/hwy
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