Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
polygonal
←
English
polygon
(suffix)
←
English
al
(suffix)
→
English
polygonally
(suffix)
→
English
nonpolygonal
(prefix)
→
English
subpolygonal
(prefix)
→
English
polygonality
(suffix)
→
English
interpolygonal
(prefix)