Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
daufur
←
Proto-Germanic
*daubaz
(inherited)
←
Old Norse
daufr
(inherited)
→
English
dowf
(cognate)
→
Icelandic
heyrnarlaus
(mention)
→
Luxembourgish
daf
(cognate)