We don't have synonyms for graeae yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are graiae and graeme.
(n) :
(Greek mythology) Three sisters, old women with grey hair — Deino (or Dino), Enyo, and Pemphredo (or Pephredo) — who shared a single eye and a single tooth. They were daughters of the sea-deities Phorcys and Ceto.
(n) :
(Greek mythology) Three sisters, old women with grey hair — Deino (or Dino), Enyo, and Pemphredo (or Pephredo) — who shared a single eye and a single tooth. They were daughters of the sea-deities Phorcys and Ceto.