Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
calend
←
Proto-Indo-European
*kelh₁-
(root)
←
Proto-Indo-European
*kelh₁-
(derived)
←
Latin
kalendās
(derived)
←
Latin
kalendae
(mention)
←
Latin
calandae
(mention)
←
Latin
calandus
(mention)
←
Latin
calō
(mention)
→
English
calends
(cognate)
→
Middle English
kalende
(inherited)