Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Irish á
← Proto-Indo-European *h₁óh₃s (inherited)

→ Hittite 𒀀𒄿𒅖 (cognate)
→ Latin os (cognate)
→ Sanskrit आस् (cognate)
→ Old Irish a (alter)
→ Old Irish a (alter)
→ Old Irish a/Old Irish (link)
→ Old Irish a/Old Irish (link)