Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
lágur
←
Proto-Germanic
*lēgaz
(derived)
←
Old Norse
lágr
(derived)
→
English
low
(cognate)
→
Icelandic
lágþrýstingur
(compound)
→
Icelandic
láglendi
(affix)
→
Icelandic
lágarfi
(affix)