Chimaera and Phantom

Chimaera noun - (Greek mythology) fire-breathing female monster with a lion's head and a goat's body and a serpent's tail; daughter of Typhon.

Phantom and chimaera are semantically related. In some cases you can use "Phantom" instead a noun "Chimaera".

Phantom noun - The soul of a dead person thought of especially as appearing to living people.

Chimaera and phantom are semantically related. Sometimes you can use "Chimaera" instead a noun "Phantom".