Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
vopn
←
Proto-Germanic
*wēpną
(inherited)
←
Old Norse
vápn
(inherited)
→
English
weapon
(cognate)
→
Alemannic German
Waaffe
(cognate)
→
Icelandic
skotvopn
(compound)
→
Icelandic
vopnahlé
(mention)
→
Icelandic
kjarnavopn
(compound)
→
Icelandic
vopnasmiður
(compound)
→
Luxembourgish
Waff
(cognate)