Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*ksu-
→
English
Skeen
(mention)
→
Cornish
spethas
(mention)
→
Latvian
skuja
(mention)