Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
sigla
←
Proto-Germanic
*siglijaną
(inherited)
←
Old Norse
sigla
(inherited)
→
English
sail
(cognate)
→
Icelandic
siglutoppur
(affix)
→
Icelandic
sigling
(suffix)
→
Luxembourgish
segelen
(cognate)