Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
nights
←
Old English
nihtes
(inherited)
←
German
nachts
(cognate)
←
English
night
(affix)
←
English
-s
(affix)
←
English
-s
(mention)
←
Middle English
nightes
(inherited)
←
Old Frisian
nachtes
(cognate)
←
Old Saxon
nahtes
(cognate)
→
German
nachts
(cognate)
→
Low German
nachts
(cognate)