Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latvian
erchercogs
←
German
Erzherzog
(borrowed)
←
German
Herzog
(cognate)
←
German
erz-
(mention)
→
Latvian
erchercogiene
(suffix)
→
Latvian
erchercogiste
(suffix)