in English is:

Jansenism

Mutations

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

Use

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

Dictionary Portal

This is a library of dictionaries and other online resources where you can search further for Janseniaeth*:

Specialist Dictionaries
Glossaries
Terminology
Encyclopedia
Example Sentences
Sentences containing:

*External websites will be opened in a new window.