Flatfishes rhymes with:
guardfish's, jewfishes, pipefishes, queenfish's, swordfish's, guardfish's, jewfishes, pipefishes, queenfish's, swordfish's
Flatfishes sounds like:
feldpausch, flatbush, flatfish
guardfish's, jewfishes, pipefishes, queenfish's, swordfish's, guardfish's, jewfishes, pipefishes, queenfish's, swordfish's
feldpausch, flatbush, flatfish