Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Hawaiian
waʻa
←
Proto-Polynesian
*waka
(inherited)
→
Marshallese
wa
(cognate)
→
Tokelauan
vaka
(cognate)