in English is:

cohabitation

,

symbiosis

Mutations

Soft:gydfywyd
Nasal:nghydfywyd
Aspirate:chydfywyd

Use

y cydfywyd hwn
fy nghydfywyd i
dy gydfywyd di
ei gydfywyd ef/o
ei chydfywyd hi
ein cydfywyd ni
eich cydfywyd chi
eu cydfywyd nhw/hwy
External

Dictionary Portal

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

Specialist Dictionaries
Glossaries
Terminology
Encyclopedia
Example Sentences
Sentences containing:

*External websites will be opened in a new window.