knock

Knock is a synonym of demolish.

As verbs the difference between knock and demolish

is that knock is (dated) to rap one's knuckles against something, especially wood while demolish is to destroy; to destruct.

As a noun knock

is an abrupt rapping sound, as from an impact of a hard object against wood.

As nouns the difference between knock and flail

is that knock is an abrupt rapping sound, as from an impact of a hard object against wood while flail is a tool used for threshing, consisting of a long handle with a shorter stick attached with a short piece of chain, thong or similar material.

As verbs the difference between knock and flail

is that knock is to rap one's knuckles against something, especially wood while flail is to beat using a flail or similar implement.

As nouns the difference between knock and bat

is that knock is an abrupt rapping sound, as from an impact of a hard object against wood while bat is any of the small, nocturnal, flying mammals of the order Chiroptera, which navigate by means of echolocation.

As verbs the difference between knock and bat

is that knock is to rap one's knuckles against something, especially wood while bat is to hit with a bat.

As an acronym BAT is

best available technology; a principle applying to regulations on limiting pollutant discharges.

As nouns the difference between knock and crash

is that knock is an abrupt rapping sound, as from an impact of a hard object against wood while crash is an automobile, airplane, or other vehicle accident.

As verbs the difference between knock and crash

is that knock is to rap one's knuckles against something, especially wood while crash is to collide with something destructively, fall or come down violently.

As an adjective crash is

quick, fast, intensive.

Knock is a related term of thrash.

As nouns the difference between knock and thrash

is that knock is an abrupt rapping sound, as from an impact of a hard object against wood while thrash is a beat or blow; the sound of beating.

As verbs the difference between knock and thrash

is that knock is (dated) to rap one's knuckles against something, especially wood while thrash is to beat mercilessly.

Jab is a related term of knock.

As nouns the difference between jab and knock

is that jab is a quick stab or blow while knock is an abrupt rapping sound, as from an impact of a hard object against wood.

As verbs the difference between jab and knock

is that jab is to poke or thrust abruptly, or to make such a motion while knock is (dated) to rap one's knuckles against something, especially wood.

Knock is a related term of thwack.

As nouns the difference between knock and thwack

is that knock is an abrupt rapping sound, as from an impact of a hard object against wood while thwack is the act of thwacking; a strike or blow, especially with a flat implement.

As verbs the difference between knock and thwack

is that knock is (dated) to rap one's knuckles against something, especially wood while thwack is to whack or hit with a flat implement.

Knock is a synonym of smack.

As nouns the difference between knock and smack

is that knock is an abrupt rapping sound, as from an impact of a hard object against wood while smack is a distinct flavor or smack can be a small sailing vessel, commonly rigged as a sloop, used chiefly in the coasting and fishing trade and often called a or smack can be a sharp blow; a slap see also: spank .

As verbs the difference between knock and smack

is that knock is (dated) to rap one's knuckles against something, especially wood while smack is to indicate or suggest something or smack can be to slap someone, or to make a smacking sound.

As an adverb smack is

as if with a smack or slap.

Knock is a related term of swat.

As a noun knock

is an abrupt rapping sound, as from an impact of a hard object against wood.

As a verb knock

is (dated) to rap one's knuckles against something, especially wood.

As a proper noun swat is

a valley and a district in nwfp administrative province of pakistan.

As nouns the difference between nail and knock

is that nail is the thin, horny plate at the ends of fingers and toes on humans and some other animals while knock is an abrupt rapping sound, as from an impact of a hard object against wood.

As verbs the difference between nail and knock

is that nail is to fix (an object) to another object using a nail while knock is to rap one's knuckles against something, especially wood.