Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
fīffealde
→
Westrobothnian
førel
(cognate)
→
Icelandic
fiðrildi
(cognate)
→
Swedish
fjäril
(cognate)