hyena, hyaena
['black widow, Latrodectus mactans', 'armadillo', 'guinea pig, Cavia cobaya', 'racket, racquet', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'borzoi, Russian wolfhound', 'rule, ruler']