Charon and Cerberus

Charon noun - (Greek mythology) the ferryman who brought the souls of the dead across the river Styx or the river Acheron to Hades.

Cerberus and Charon are semantically related. In some cases you can replace term "Cerberus" with "Charon", this nouns are similar.

Cerberus noun - (Greek mythology) the three-headed dog guarding the entrance to Hades; son of Typhon.

Charon and Cerberus are semantically related. Sometimes you can replace term "Charon" with "Cerberus", this nouns are similar.