Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
costume
←
Spanish
costumbre
(cognate)
←
French
coutume
(cognate)
←
Proto-Indo-European
*dʰeh₁-
(root)
←
Proto-Indo-European
*ḱóm
(derived)
←
Proto-Indo-European
*swe-dʰh₁-sk-
(derived)
←
Proto-Indo-European
*swé
(mention)
←
Proto-Indo-European
*dʰeh₁-
(mention)
←
Old Latin
com
(derived)
←
Proto-Italic
*kom
(derived)
←
Latin
*costūmen
(mention)
←
Latin
cōnsuētūdinem
(inherited)
←
Latin
cōnsuētūdō
(mention)
←
Latin
cōnsuēscō
(mention)
←
Latin
con-
(mention)
←
Latin
suēscō
(mention)
←
Latin
con-
(mention)
←
Latin
cum
(mention)
←
Latin
suēscō
(mention)
←
Latin
suus
(cognate)
←
Portuguese
costume
(cognate)
←
Old Portuguese
costume
(inherited)
←
Old Portuguese
custume
(mention)
→
Galician
acostumar
(affix)