Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle High German
sehs
→
Cimbrian
sèkse
(inherited)
→
Cimbrian
zèkse
(inherited)
→
Alemannic German
sächs
(inherited)
→
Mòcheno
secks
(inherited)
→
Yiddish
זעקס
(inherited)