convertible

Convertible has 4 syllables: con · vert · i · ble.

noun. A sofa that can be converted into a bed.

adjective. Capable of being changed in substance as if by alchemy.

noun. A corporate security (usually bonds or preferred stock) that can be exchanged for another form of security (usually common stock).

adjective. Capable of being exchanged for or replaced by something of equal value.