Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Pennsylvania German
Woch
←
German
Woche
(cognate)
←
English
week
(cognate)
←
Proto-Germanic
*wikǭ
(inherited)
←
Proto-West Germanic
*wikā
(inherited)
←
Old High German
wohha
(inherited)
←
Old High German
wehha
(mention)
←
Dutch
week
(cognate)