Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
helgi
←
Icelandic
helgarferð
(link)
←
Icelandic
hvítasunnuhelgi
(link)
←
Icelandic
jólahelgi
(link)
←
Icelandic
páskahelgi
(link)
←
Icelandic
(link)
←
Icelandic
helgur
(link)
←
Icelandic
heilagur
(link)
←
Icelandic
heilagleiki
(link)
←
Icelandic
friðhelgi
(link)
←
Icelandic
(link)
←
Icelandic
helgur
(link)
←
Icelandic
heilagur
(link)
←
Old Norse
helgr
(derived)
←
Old Norse
helgi
(derived)
→
Icelandic
helgidagur
(affix)
→
Icelandic
páskahelgi
(mention)
→
Icelandic
helgarferð
(affix)
→
Icelandic
helgisiður
(affix)