Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
däin
←
German
getan
(cognate)
←
Proto-West Germanic
*dān
(inherited)
←
Dutch
gedaan
(cognate)
→
English
done
(cognate)