Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
taumur
←
Proto-Germanic
*taumaz
(inherited)
←
Proto-Indo-European
*dewk-
(root)
←
Old Norse
taumr
(inherited)
→
Icelandic
einteymingur
(mention)
→
Luxembourgish
Zam
(cognate)