Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
ynglŷn â
←
Welsh
yn-
(prefix)
←
Welsh
glŷn
(prefix)
←
Proto-Indo-European
*gleh₁y-
(root)