Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Penobscot
àpαn
←
Proto-Algonquian
*apwa·ni
(derived)
←
Proto-Algonquian
*apw-
(mention)
←
Unami
ahpon
(cognate)