Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
trag
←
Proto-Germanic
*trugą
(inherited)
←
Old Norse
trog
(inherited)
→
Westrobothnian
tragahill
(compound)
→
Swedish
tråg
(cognate)