Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
noitinha
←
Portuguese
noite
(affix)
←
Portuguese
-inha
(affix)
→
Galician
noitiña
(cognate)
→
Portuguese
a
(mention)