Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latvian
mirst
→
Lithuanian
miršti
(cognate)
→
Latvian
aizmirst
(prefix)
→
Latvian
aizmirst
(mention)
→
Latvian
aizmārša
(mention)
→
Latvian
piemirst
(prefix)
→
Latvian
piemirst
(mention)
→
Latvian
miršana
(suffix)