Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
geat
←
Proto-Germanic
*gatą
(inherited)
←
Old Norse
gat
(cognate)
←
Old Dutch
*gat
(cognate)
←
Old Frisian
jet
(cognate)
←
Old Saxon
gat
(cognate)
→
English
-gate
(inherited)
→
Old English
hellegeat
(compound)