Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
hljómur
←
Proto-Germanic
*hleumaz
(inherited)
←
Old Norse
hljómr
(inherited)
→
Icelandic
hljómplata
(affix)
→
Icelandic
hljómfræði
(affix)
→
Icelandic
dúrhljómur
(compound)
→
Icelandic
samhljómur
(affix)
→
Icelandic
hljómlist
(compound)
→
Icelandic
hljómsveit
(compound)