Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
ton
←
Proto-Celtic
*tondā
(inherited)
←
Welsh
dan y don
(link)
←
Welsh
meicrodon
(link)
←
Welsh
ton Fecsicanaidd
(link)
←
Welsh
ton sain
(link)
←
Welsh
ton wres
(link)
←
Welsh
tonfedd
(link)
←
Welsh
tonffurf
(link)
←
Welsh
toniad
(link)
←
Welsh
toniant
(link)
←
Welsh
tonnell
(link)
←
Welsh
tonnog
(link)
←
Welsh
tonnydd
(link)
←
Welsh
tonyddol
(link)
←
Welsh
tondir
(link)
←
Proto-Indo-European
*tend-#Etymology 2
(inherited)
←
Proto-Indo-European
*temh₁-
(mention)
←
Middle Welsh
tonn
(inherited)
→
English
Tondu
(derived)
→
Welsh
tonnau
(affix)