Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
svar
←
Danish
ansvar
(cognate)
←
Danish
svær
(doublet)
←
German
schwer
(cognate)
←
English
swear
(cognate)
←
English
answer
(cognate)
←
Proto-Germanic
*swarō
(inherited)
←
Proto-Germanic
*andaswarō
(mention)
←
Proto-Germanic
*swēraz
(inherited)
←
Middle Low German
swār
(cognate)
←
Dutch
zwaar
(cognate)
←
Old Norse
svar
(derived)
←
Old Norse
svara
(mention)
←
Old Norse
svárr
(derived)
←
Swedish
svår
(cognate)
→
Danish
svær
(doublet)
→
Danish
forsvar
(prefix)
→
Danish
svarperson
(affix)