Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
sossegar
←
Latin
sessus
(inherited)
←
Latin
sedeō
(mention)
←
Old Portuguese
sessegar
(inherited)
→
Kabuverdianu
sosegá
(derived)
→
Kabuverdianu
sosega
(derived)
→
Portuguese
sossego
(back-formation)
→
Portuguese
sossego
(link)