Noise

boucan

(various sounds, usually unwanted)

brouhaha

(various sounds, usually unwanted)

bruit

(various sounds, usually unwanted)

bruit

(sound or signal generated by random fluctuations)

bruit

(technical: unwanted part of a signal)

bruit

(level of variation in gene expression)

bruit

(rumour or complaint)

tintamarre

(various sounds, usually unwanted)

vacarme

(various sounds, usually unwanted)

faire courir le bruit

(make noise)

ébruiter

(make noise)