Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
toai
←
German
zäh
(cognate)
←
West Frisian
taai
(cognate)
←
Proto-West Germanic
*tą̄h(ī)
(inherited)
←
Old Frisian
*tēi
(inherited)