Latin firmare

→ English confirm (mention)

→ English firm (derived)

→ English affirm (mention)

→ Esperanto firmo (derived)

→ Esperanto konfirmi (mention)

→ Indonesian firma (derived)

→ Italian firma (derived)

→ Norwegian Bokmål firma (derived)

→ Norwegian Nynorsk firma (derived)

→ Portuguese firma (derived)

→ Serbo-Croatian firma (derived)