Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
gagn
←
Proto-Germanic
*gagną
(derived(is/fo))
←
Proto-Germanic
*gagną
(derived)
←
Proto-Germanic
*gaganą
(mention)
←
Proto-Germanic
*gagana
(mention)
←
Proto-Germanic
*ga-
(mention)
←
Proto-Indo-European
*ḱóm
(derived(is/fo))
←
Proto-Indo-European
*ḱóm
(derived)
←
Old Norse
gagn
(derived(is/fo))
←
Old Norse
gagn
(derived)
→
English
gain
(cognate)
→
Icelandic
gagnsemi
(suffix)
→
Icelandic
sönnunargagn
(compound)
→
Icelandic
gagnlegur
(suffix)
→
Icelandic
gagnrýna
(compound)
→
Icelandic
gagntaka
(compound)