Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
troll
←
Middle High German
trol
(cognate)
←
Icelandic
tröll
(cognate)
←
Swedish
troll
(borrowed)
→
Portuguese
trollar
(suffix)
→
Portuguese
trolar
(affix)