Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle High German
ahte
→
Cimbrian
achte
(inherited)
→
Hunsrik
acht
(inherited)
→
Mòcheno
òcht
(inherited)
→
Pennsylvania German
acht
(inherited)
→
Yiddish
אַכט
(inherited)