Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Westrobothnian
gallm
←
Proto-Germanic
*galmaz
(inherited)
←
Old High German
galm
(cognate)
←
Dutch
galm
(cognate)
←
Old Saxon
galm
(cognate)