Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
ym
→
Welsh
yn
(link)
→
Welsh
ymwnc
(prefix)
→
Welsh
ymarfer
(affix)
→
Welsh
ymdreiddio
(affix)