Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
samo
←
Proto-Germanic
*sēmô
(inherited)
←
Proto-West Germanic
*sāmō
(inherited)
←
Proto-Indo-European
*séh₁mn̥
(inherited)
←
Latin
sēmen
(cognate)
→
German
-sam
(cognate)