Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Pennsylvania German
was
←
German
was
(cognate)
←
English
what
(cognate)
←
Dutch
wat
(cognate)
→
Pennsylvania German
ferwas
(compound)