hydrant — an upright pipe with a spout, nozzle, or other outlet, usually in the street, for drawing water from a main or service pipe, especially for fighting fires.
hydra — A minute freshwater coelenterate with a stalklike tubular body and a ring of tentacles around the mouth.
silence — absence of any sound or noise; stillness.
siren — Classical Mythology. one of several sea nymphs, part woman and part bird, who lure mariners to destruction by their seductive singing.
sirens — Classical Mythology. one of several sea nymphs, part woman and part bird, who lure mariners to destruction by their seductive singing.
Three-syllable rhymes
violence — swift and intense force: the violence of a storm.
