Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
hefta
←
Proto-Germanic
*haftijaną
(inherited)
←
Icelandic
heftari
(link)
←
Icelandic
hefti
(link)
←
Icelandic
heftingur
(link)
←
Icelandic
heftiplástur
(link)
←
Icelandic
heftivél
(link)
←
Icelandic
heftivír
(link)
←
Icelandic
hefti
(mention)
←
Old Norse
hepta
(inherited)
→
Icelandic
hefti
(mention)