Crackling

3 clues
Very narrow fissure?
Crisp roast pork skin
Adjective for a noisy campfire
Similar answers:
Acrack
Ahardnuttocrack
Ahardpeanuttocrack
Animalcracker
Animalcrackers
Animalcracks
Aristocracy
Armybardcracks
Autocracy
Branchmccracken
Buttcrack
Bycracky
Cackling
Codecracker
Codecrackers
Crack
Crackabook
Crackajack
Crackajoke
Crackasmile