Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
gas
→
Irish
gasghreim
(affix)
→
Irish
gasóg
(affix)
→
Irish
gasra
(affix)
→
Irish
gasach
(suffix)
→
Latin
hasta
(cognate)
→
Latin
hasta
(mention)