Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
guai
←
Proto-Germanic
*wai
(derived)
←
Gothic
𐍅𐌰𐌹
(derived)
←
Proto-Indo-European
*wai
(derived)
→
Spanish
guay
(cognate)