in English is:

constructivism

Mutations

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

Use

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