Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Pennsylvania German
kaafe
←
German
kaufen
(cognate)
←
English
cheap
(mention)
←
English
chap
(mention)
←
Dutch
kopen
(cognate)
←
Swedish
köpa
(cognate)