Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Italian io
← Catalan jo (cognate)
← Spanish yo (cognate)
← Proto-Indo-European *éǵh₂ (inherited)
← Italian eo (mention)
← Proto-Italic *egō (inherited)
← Latin ego (inherited)

→ Old English ic (cognate)
→ Corsican eiu (cognate)
→ Spanish yo (cognate)
→ French je (mention)
→ Italian fermio (suffix)
→ Italian nobelio (suffix)
→ Italian seaborgio (suffix)
→ Italian bohrio (suffix)
→ Italian darmstadtio (suffix)
→ Italian meitnerio (suffix)
→ Italian rutherfordio (suffix)
→ Italian einsteinio (suffix)
→ Italian roentgenio (suffix)
→ Italian circondario (suffix)
→ Italian miagolio (suffix)
→ Italian fischio (suffix)
→ Italian formicolio (suffix)
→ Italian vocio (suffix)
→ Italian predominio (suffix)
→ Italian tremolio (suffix)
→ Italian zoccolio (suffix)
→ Italian abbaruffio (suffix)
→ Italian borio (suffix)
→ Italian non-io (prefix)
→ Italian ribollio (suffix)
→ Italian copernicio (suffix)
→ Italian livermorio (suffix)
→ Italian abballottio (suffix)
→ Italian giapponio (suffix)
→ Italian zacintio (suffix)
→ Italian seminio (suffix)
→ Italian perlaio (suffix)
→ Neapolitan io (cognate)
→ Istro-Romanian io (cognate)
→ Sardinian eo (cognate)