Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
somorgujar
→
Catalan
somorgollar
(cognate)
→
Spanish
somorgujo
(mention)
→
Galician
mergullar
(cognate)
→
Galician
somorgullar
(cognate)
→
Portuguese
mergulhar
(cognate)