Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
flad
←
Danish
plads
(mention)
←
English
flat
(cognate)
←
Proto-Germanic
*flataz
(derived)
←
Ancient Greek
πλατύς
(cognate)
←
Proto-Indo-European
*plat-
(derived)
←
Old Norse
flatr
(derived)
→
English
flat
(cognate)
→
Danish
plat
(cognate)
→
Danish
fladlus
(affix)
→
Danish
fladfisk
(affix)