Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
cărbune
←
Proto-Indo-European
*ker
(derived)
←
Latin
carbōnem
(inherited)
←
Latin
carbō
(mention)
←
Romanian
carbon
(doublet)
→
Romanian
carbon
(doublet)
→
Romanian
cărbunar
(suffix)
→
Romanian
cărbunaș
(suffix)
→
Romanian
cărbunos
(suffix)
→
Romanian
cărbunărie
(suffix)
→
Romanian
Cărbunești
(affix)
→
Romanian
Cărbuna
(mention)
→
Romanian
Cărbunescu
(mention)
→
Romanian
Cărbune
(mention)
→
Aromanian
cãrbuni
(cognate)