Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*fluksōn-
→
English
flock
(mention)
→
Faroese
flóki
(mention)
→
Icelandic
flóki
(mention)