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