Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
ummál
←
Icelandic
ummæli
(mention)
←
Icelandic
um
(cognate)
←
Icelandic
mál
(mention)
←
Icelandic
mæla
(mention)
←
Old Norse
ummál
(derived)
←
Old Norse
ummæli
(mention)