Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
mucka
→
German
Mücke
(inherited)
→
Westrobothnian
my
(cognate)
→
Icelandic
mý
(cognate)
→
Swedish
mygga
(cognate)