Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
top
←
Proto-Germanic
*tuppaz
(inherited)
←
Old Norse
toppr
(inherited)
→
Danish
topløs
(affix)
→
Icelandic
toppur
(cognate)