Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
gewest
←
German
gewesen
(mention)
←
German
-t
(mention)
←
German
-en
(mention)
←
Luxembourgish
gewiescht
(cognate)
←
Dutch
geweest
(cognate)
→
German
sein
(link)