Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
tom
←
Proto-Germanic
*tōmaz
(inherited)
←
Old Norse
tómr
(derived)
→
English
toom
(mention)
→
Danish
tomrum
(compound)
→
Danish
tømme
(cognate)
→
Danish
tomgang
(affix)