Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
læri
←
Proto-Germanic
*lahwaz
(derived)
←
Icelandic
læra
(mention)
←
Old Norse
lær
(derived)
→
Icelandic
lærleggur
(affix)