Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Pennsylvania German
wu
←
German
wo
(cognate)
←
English
where
(cognate)
←
Dutch
waar
(cognate)
←
Yiddish
וווּ
(cognate)