Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
acknowledged
→
English
unacknowledged
(prefix)
→
English
FAB
(link)
→
English
ack
(clipping)
→
English
underacknowledged
(prefix)