The difference between Noise and Thud

When used as nouns, noise means various sounds, usually unwanted or unpleasant, whereas thud means the sound of a dull impact.

When used as verbs, noise means to make a noise, whereas thud means to make the sound of a dull impact.

check bellow for the other definitions of Noise and Thud

Noise as a noun:

Various sounds, usually unwanted or unpleasant.

Examples:

"He knew that it was trash day, when the garbage collectors made all the noise."
Noise as a noun:

Sound or signal generated by random fluctuations.
Noise as a noun (technology):

Unwanted part of a signal. (Signal to noise ratio)
Noise as a noun (genetics):

The measured level of variation in gene expression among cells, regardless of source, within a supposedly identical population.
Noise as a noun:

Rumour or complaint.

Examples:

"The problems with the new computer system are causing a lot of noise at Head Office."
Noise as a noun (obsolete):

Music, in general; a concert; also, a company of musicians; a band.

Examples:

"rfquotek Milton"
Noise as a noun (music):

A genre of rock music that uses static and other non-musical sounds, also influenced by art rock.

Noise as a verb (intransitive):

To make a noise; to sound.

Examples:

"rfquotek Milton"
Noise as a verb (transitive):

To spread news of; to spread as rumor or gossip.

Thud as a noun:

The sound of a dull impact.
Thud as a noun (US, military, dated, _, slang):

Republic jet ground attack fighter.