Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
pumex
←
Proto-Indo-European
*(s)poH(y)-
(root)
←
Proto-Indo-European
*(s)poH(y)-
(derived)
←
Latin
spūma
(mention)
→
English
pumicate
(mention)
→
German
Bims
(derived)
→
Spanish
pómez
(inherited)
→
Italian
pomice
(mention)
→
Polish
pumeks
(derived)
→
Russian
пемза
(derived)