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