Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
efi
→
Old English
gif
(cognate)
→
Icelandic
efalaus
(mention)
→
Icelandic
efalaust
(mention)
→
Icelandic
eflaust
(mention)
→
Icelandic
án efa
(mention)
→
Icelandic
efasemd
(affix)