Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
gorffwys
←
Breton
paouez
(cognate)
←
Welsh
gorffowys
(mention)
←
Welsh
gor-
(prefix)
←
Welsh
powys
(prefix)
←
Proto-Indo-European
*kʷyeh₁-
(inherited)
←
Latin
quiēs
(mention)