Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
flaga
←
Proto-Germanic
*flaką
(inherited)
←
Proto-Indo-European
*pleh₂-
(inherited)
←
Old Norse
flaga
(inherited)
→
English
flaw
(cognate)
→
Icelandic
blóðflaga
(compound)
→
Icelandic
kartöfluflaga
(compound)