Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
slag
←
Proto-Germanic
*slagiz
(inherited)
←
Old Norse
slag
(inherited)
→
Icelandic
slagharpa
(compound)
→
Icelandic
slagæð
(mention)
→
Icelandic
slegill
(affix)
→
Luxembourgish
Schlag
(cognate)