Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
waken
←
Old English
wæcnan
(inherited)
←
Middle English
waknen
(inherited)
←
Proto-Germanic
*waknaną
(inherited)
→
English
wakeneth
(suffix)
→
English
wakener
(suffix)
→
English
wakenest
(suffix)
→
English
rewaken
(prefix)
→
Danish
vågne
(cognate)
→
Norwegian Nynorsk
vakna
(cognate)