Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
teikn
←
Proto-Germanic
*taikną
(inherited)
←
Proto-Indo-European
*deyḱ-
(root)
←
Icelandic
tákn
(mention)
←
Old Norse
teikn
(inherited)
→
Alemannic German
Zäiche
(cognate)
→
Icelandic
tákn
(mention)
→
Luxembourgish
Zeechen
(cognate)