Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
-ell
←
Cornish
-ell
(cognate)
→
Welsh
allweddell
(affix)
→
Welsh
cyfrifiannell
(affix)
→
Welsh
gwaell
(compound)
→
Welsh
tagell
(affix)
→
Welsh
llinell
(suffix)
→
Welsh
ysgubell
(affix)
→
Welsh
-ellau
(compound)
→
Welsh
traethell
(affix)