Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Frisian
thek
←
Old English
þæc
(cognate)
←
Proto-West Germanic
*þak
(inherited)
←
Old Saxon
thak
(cognate)
→
North Frisian
taag
(inherited)
→
North Frisian
tååge
(inherited)
→
Saterland Frisian
Täk
(inherited)