Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
plegar
←
Proto-Indo-European
*pleḱ-
(derived)
←
Latin
plicāre
(inherited)
←
Latin
plicō
(mention)
→
English
ply
(cognate)
→
Catalan
replegar
(affix)
→
Catalan
plegable
(suffix)
→
Catalan
plegatge
(suffix)
→
Catalan
plegador
(affix)