Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Cimbrian
zèkste
←
Cimbrian
zèkse
(suffix)
←
Cimbrian
te
(suffix)
←
German
sechste
(cognate)
←
English
sixth
(cognate)
←
Proto-Germanic
*sehstô
(inherited)
←
Middle High German
sehste
(inherited)
←
Proto-West Germanic
*sehstō
(inherited)
←
Old High German
sehsto
(inherited)