Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
ferrugem
←
Latin
ferrugo
(inherited)
←
Old Portuguese
ferrugen
(inherited)
→
Galician
ferruxe
(cognate)
→
Portuguese
gato-ferrugem
(mention)
→
Portuguese
enferrujar
(affix)
→
Portuguese
ferrugento
(suffix)
→
Portuguese
antiferrugem
(affix)