Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Frisian
sa
←
Proto-Germanic
*swa
(inherited)
→
Old English
swa
(cognate)
→
Westrobothnian
sä
(mention)
→
Icelandic
svo
(mention)