Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mecayapan Nahuatl
a̱ʼ
←
Proto-Nahuan
*aak
(inherited)
←
Proto-Nahuan
*aatl
(inherited)
←
Proto-Uto-Aztecan
*pa
(derived)
←
English
who
(link)