The difference between Clash and Thud

When used as nouns, clash means a loud sound, like the crashing together of metal objects, whereas thud means the sound of a dull impact.

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

check bellow for the other definitions of Clash and Thud

Clash as a noun (onomatopoeia):

A loud sound, like the crashing together of metal objects.

Examples:

"I heard a clash from the kitchen, and rushed in to find the cat had knocked over some pots and pans."
Clash as a noun (military):

A skirmish, a hostile encounter.
Clash as a noun (sports):

a match; a game between two sides.
Clash as a noun:

An angry argument
Clash as a noun:

Opposition; contradiction; such as between differing or contending interests, views, purposes etc.

Examples:

"a clash of beliefs"

"a personality clash"
Clash as a noun:

A combination of garments that do not look good together, especially because of conflicting colours.

Examples:

"She was wearing a horrible clash of red and orange."
Clash as a noun (hurling):

An instance of restarting the game after a "dead ball", where it is dropped between two opposing players, who can fight for possession.

Clash as a verb:

to make a loud clash

Examples:

"The plates clashed to the floor."
Clash as a verb:

to come into violent conflict

Examples:

"Fans from opposing teams clashed on the streets after the game."
Clash as a verb (intransitive):

to argue angrily

Examples:

"My parents often clashed about minor things, such as the cleaning or shopping [[rota]]."
Clash as a verb (intransitive, of clothes, decor, colours):

to fail to look good together; to contrast unattractively; to fail to harmonize.

Examples:

"You can't wear that shirt! It clashes with your trousers."

"The hotel room was ugly, and the wallpaper clashed with the carpet."
Clash as a verb (intransitive, of events):

to coincide, to happen at the same time, thereby rendering it impossible to attend all.

Examples:

"I can't come to your wedding because it clashes with a friend's funeral."

"I wanted to take German, but it clashed with art on the timetable."
Clash as a verb (intransitive, in games or sports):

to face each other in an important game.

Thud as a noun:

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

Republic jet ground attack fighter.