Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Pennsylvania German
heit
←
German
heute
(cognate)
←
Middle High German
hiute
(inherited)
←
Old High German
hiutu
(inherited)
←
Dutch
heden
(cognate)