Difference between Whack and Knock

WHACK vs KNOCK: NOUN

A blow; a buffet; a stroke with the fist, or with anything hard or heavy, as a cudgel, a hammer, or the knocker of a door.
A cutting, often petty criticism.
A pounding or clanking noise made by an engine, often as a result of faulty fuel combustion.
The sound of a sharp blow on a hard surface.
An instance of striking or colliding.
A vigorous blow
A bad experience
Negative criticism
The act of hitting vigorously
The sound of knocking (as on a door or in an engine or bearing)

Make light, repeated taps on a surface
Sound like a car engine that is firing too early
Rap with the knuckles
Deliver a sharp blow or push :He knocked the glass clear across the room deliverasharpbloworpushheknock
Find fault with; express criticism of; point out real or perceived flaws
Knock against with force or violence

To divide into shares; ; -- often with up.
To strike; to beat; to give a heavy or resounding blow to; to thrash; to make with whacks.

To give a heavy or resounding blow to; thwack.
To divide into shares; apportion; parcel out.
To strike, or continue striking, anything with smart blows.
To make a division or settlement; square accounts; pay: often in the phrase to whack up.
Strike hard
(idiom) (have/take) To try out; attempt.
(idiom) (out of whack) Improperly ordered or balanced; not functioning correctly.
(idiom) (whacked out) Exhausted.
(idiom) (whacked out) Crazy.
(idiom) (whacked out) Under the influence of a mind-altering drug.

Deliver a sharp blow or push
(idiom) (knock (someone's) socks off) To overwhelm or amaze.
(idiom) (knock out of the box) To force the removal of (an opposing pitcher) by heavy hitting.
(idiom) (have it knocked) To be certain of success.
(idiom) (knock cold) To render unconscious; knock out.
(idiom) (knock dead) To kill with a blow.
(idiom) (knock dead) To affect strongly and positively.
(idiom) (knock it off) To stop doing something. Often used in the imperative.
(idiom) (knock some sense into) To beat or hit (someone) in an effort to teach a lesson or cause a person to adopt an acceptable pattern of behavior.

Slug, Banging, Lunatic, Stab, Hit, Blow, Shake, Slap, Whang, Belt, Rap, Whop, Wallop, Wham, Knock

Beat, Blow, Whang, Strike hard, Pink, Roast, Belt, Rap, Bash, Ping, Tap, Bump, Whack, Bang, Smash

Kill, Psycho, Banging, Lunatic, Stab, Hit, Blow, Shake, Slap, Belt, Rap, Whop, Wallop, Wham, Knock

Banging, Chop, Pummel, Beat, Blow, Pink, Roast, Belt, Rap, Ping, Tap, Bump, Whack, Bang, Smash

Later, Knock Out revealed that he wanted to join the Autobots and Bumblebee was disappointed that Knock Out destroyed the immobilizer.
He goes knock knock on my doorand I pretend to be asleeptill he gets right next to the bed.
This printable please knock sign is used it to notify visitors politely to knock on the door before entering.
The engines have knock detection systems that offer the best engine performance by controlling knock through precise ignition timing.
Knight can knock you over the edge easily with his knock back attack so try to stay away from there.
It was owned by several entities, from Dan Newell to Private Whois of Knock Knock.
This naturally means that a bad knock sensor can allow the engine to knock.
Knock Knock does not have facilities for lunch.
The Original Passive Aggressive Nifty Notes by Knock Knock.
Knock with truth, knock with determination and knock with a fully persuaded faith.