petard

As nouns the difference between firework and petard

is that firework is a device using gunpowder and other chemicals which, when lit, emits a combination of coloured flames, sparks, whistles or bangs, and sometimes made to rocket high into the sky before exploding, used for entertainment or celebration while petard is firecracker (firework).

As an adjective flaccid

is flabby.

As a noun petard is

firecracker (firework).

As nouns the difference between petar and petard

is that petar is obsolete form of lang=en while petard is a small, hat-shaped explosive device, used to blow a hole in a door or wall.

As a verb petard is

to attack or blow a hole in (something) with a petard.

As nouns the difference between petard and retard

is that petard is a small, hat-shaped explosive device, used to blow a hole in a door or wall while retard is retardation; delay.

As verbs the difference between petard and retard

is that petard is to attack or blow a hole in (something) with a petard while retard is to keep delaying; to continue to hinder; to prevent from progress; to render more slow in progress; to impede; to hinder.

As nouns the difference between petard and madrier

is that petard is firecracker (firework) while madrier is a thick plank, used for several mechanical purposes.