Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
thirteenth
←
Old English
þrēottēoþa
(inherited)
→
English
thirteenthly
(suffix)
→
Cimbrian
draitzante
(cognate)
→
Pennsylvania German
dreizeht
(cognate)