Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latvian
pelēks
←
Proto-Indo-European
*pel-
(mention)
←
Proto-Indo-European
*pel-
(mention)
←
Latin
pelēt
(mention)
←
Latin
pelgans
(mention)
←
Latin
pele
(mention)
←
Lithuanian
pelė́kas
(cognate)
←
Latvian
pele
(mention)
→
Latvian
pelēkums
(suffix)
→
Latvian
iepelēks
(prefix)
→
Latvian
pelēcīgs
(suffix)
→
Latvian
pelēkgans
(suffix)