Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
léttur
←
Proto-Germanic
*linhtaz
(derived)
←
Proto-Indo-European
*h₁lengʷʰ-
(derived)
←
Old Norse
léttr
(derived)
→
Icelandic
óléttur
(affix)
→
Icelandic
léttmjólk
(affix)
→
Icelandic
léttir
(link)
→
Icelandic
léttúð
(affix)