Synonyms for Bonfire night:

n.

firework, rocket, roman candle, guy, sparkler, the Gunpowder Plot, firecracker, pyrotechnics. bonfire night (noun)
Guy Fawkes Night.
time (noun)
Guy Fawkes Night.

Other synonyms:

firecracker, firework, roman candle, the Gunpowder Plot, sparkler. pyrotechnics. guy. rocket.