Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Hellenic *ə-

→ Ancient Greek ἀ- (inherited)
→ Norwegian Bokmål a- (derived)
→ Norwegian Bokmål a- (derived)
→ Norwegian Bokmål atom (derived)
→ Norwegian Bokmål abasi (derived)
→ Norwegian Bokmål a-bombe (derived)
→ Norwegian Bokmål amenoré (derived)
→ Norwegian Bokmål amenore (derived)
→ Norwegian Bokmål abiogenese (derived)
→ Norwegian Bokmål abiotisk (derived)
→ Norwegian Bokmål abasi-astasi (derived)