Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
spara
←
Proto-Germanic
*sparāną
(derived)
←
Old Norse
spara
(derived)
→
English
spare
(cognate)
→
Icelandic
spar
(mention)
→
Luxembourgish
spueren
(cognate)