Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
tautological
←
English
tautology
(suffix)
←
English
ical
(suffix)
→
English
tautologically
(suffix)
→
English
nontautological
(prefix)
→
English
tautologicalness
(suffix)
→
English
untautological
(prefix)