Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
flet
←
Old English
fletræst
(link)
←
Old English
fletsittend
(link)
←
Old English
fletwerod
(link)
←
Proto-Germanic
*flatją
(inherited)
←
Proto-Germanic
*flataz
(derived)
←
Proto-Germanic
*flautiz
(inherited)
←
Proto-Indo-European
*plat-
(derived)
←
Old Frisian
flet
(cognate)
→
English
flat
(derived)
→
English
flet
(inherited)
→
Old English
fletgefeoht
(compound)
→
Middle English
flet
(inherited)
→
French
flatter
(cognate)