Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
gla
←
Catalan
gland
(doublet)
←
Proto-Indo-European
*gʷelh₂-
(derived)
←
Latin
glāns
(inherited)
←
Occitan
agland
(cognate)