Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
spotty
←
English
spot
(suffix)
←
English
y
(suffix)
←
Middle English
spotty
(inherited)
→
English
spottiness
(suffix)
→
English
spottily
(suffix)
→
Japanese
ぽち
(cognate)