Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
blómi
←
Proto-Germanic
*blōmô
(inherited)
←
Old Norse
blómi
(inherited)
←
Old Norse
blóm
(mention)