Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Pennsylvania German
-che
←
German
-chen
(cognate)
←
Proto-Germanic
*-ikīną
(derived)
←
Proto-Germanic
*-ikaz
(mention)
←
Proto-Germanic
*-īną
(mention)
←
Old High German
-ihhīn
(inherited)
←
Dutch
-ke
(cognate)
→
Pennsylvania German
Koppche
(affix)
→
Pennsylvania German
Keppche
(affix)
→
Pennsylvania German
Keppche
(affix)