Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Crimean Gothic
geen
←
Proto-Germanic
*gāną
(inherited)
←
Proto-Indo-European
*ǵʰeh₁-
(root)
→
Alemannic German
gaa
(cognate)