Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
seach
←
Proto-Celtic
*sekʷo-
(inherited)
←
Welsh
heb
(cognate)
←
Irish
seachas
(link)
←
Irish
seachród
(link)
←
Proto-Indo-European
*sekʷ-
(derived)
←
Old Irish
sech
(inherited)
→
Spanish
sabueso
(cognate)
→
Irish
seachród
(affix)
→
Irish
seachbhóthar
(affix)
→
Irish
seachbhealach
(affix)
→
Irish
seachas
(mention)
→
Irish
seachtháirge
(affix)
→
Italian
segugio
(cognate)
→
Portuguese
sabujo
(cognate)