Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*-atjaną
→
English
-t
(inherited)
→
English
-ness
(mention)
→
Old English
-ettan
(inherited)
→
German
faulenzen
(cognate)
→
Ancient Greek
-άζω
(cognate)