Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Gael
←
Old English
wāþ
(cognate)
←
Proto-Brythonic
*guɨðel
(derived)
←
Proto-Celtic
*wēdelos
(derived)
←
Proto-Celtic
*wēdus
(mention)
←
English
Goidel
(doublet)
←
English
Gaul
(mention)
←
Irish
Gael
(borrowed)
←
Irish
Gaol
(mention)
←
Scottish Gaelic
Gaoidheal
(mention)
←
Proto-Indo-European
*weydʰ-
(derived)
←
Latin
Gallia
(mention)
←
Middle Irish
Gaídel
(derived)
←
Old Welsh
Guoidel
(derived)
←
Old Irish
Goídel
(derived)
→
English
Gaelic
(suffix)
→
English
Goidel
(doublet)
→
English
Gaelophone
(affix)
→
English
Gaeldom
(suffix)
→
Latin
Gallaeci
(mention)
→
Swedish
gäl
(cognate)