Answer: crackle

AnswerCrossword Clue
CRACKLEHearth sound
CRACKLEFireplace noise
CRACKLEExhibit vibrancy
CRACKLEBonfire sound
CRACKLEVivacity
CRACKLESecond of a familiar trio
CRACKLECampfire sound
CRACKLESecond of a cereal trio
crackleto make repeated, small sharp noises
crackleto emit snapping sounds
cracklesuch a sound