Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
singur
←
Latin
singulus
(inherited)
→
Friulian
sengul
(cognate)
→
Romanian
singurătate
(suffix)
→
Romanian
singuratic
(mention)
→
Romanian
singurel
(suffix)
→
Romanian
Singureni
(affix)
→
Aromanian
singur
(cognate)