Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
slæwþ
←
English
slow
(suffix)
←
English
th
(suffix)
←
Proto-Germanic
*slaiwiþō
(inherited)
←
Scots
sleuth
(cognate)