Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tongan
tō
←
Proto-Polynesian
*to
(derived)
→
Hawaiian
kō
(mention)
→
Rapa Nui
tō
(cognate)