Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
West Frisian
hjitte
←
Proto-Germanic
*haitaną
(inherited)
←
Old Frisian
hēta
(inherited)
→
Luxembourgish
heeschen
(cognate)