Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
-at
←
English
-ate
(cognate)
←
Latin
-ātum
(borrowed)
→
German
Emirat
(affix)
→
German
Unikat
(affix)
→
German
Hanseat
(affix)
→
German
Telefonat
(affix)
→
Serbo-Croatian
-at
(derived)
→
Serbo-Croatian
-ат
(derived)