calmness

As a letter s

is the letter s with a.

As a noun calmness is

(uncountable) the state of being calm; tranquillity; silence.

Calmness is a related term of solemnity.

As nouns the difference between calmness and solemnity

is that calmness is (uncountable) the state of being calm; tranquillity; silence while solemnity is the quality of being deeply serious and sober or solemn.

As nouns the difference between calmness and null

is that calmness is (uncountable) the state of being calm; tranquillity; silence while null is zero, nil; the cardinal number before einn.

Calmness is a related term of staidness.

As nouns the difference between calmness and staidness

is that calmness is (uncountable) the state of being calm; tranquillity; silence while staidness is the state or characteristic of being staid.

As an adjective angry

is displaying or feeling anger.

As a noun calmness is

(uncountable) the state of being calm; tranquillity; silence.

As an adverb calmly

is in a calm manner.

As a noun calmness is

(uncountable) the state of being calm; tranquillity; silence.

As nouns the difference between calmness and relief

is that calmness is (uncountable) the state of being calm; tranquillity; silence while relief is embossment (especially that on a map).

As nouns the difference between calmness and leisureliness

is that calmness is (uncountable) the state of being calm; tranquillity; silence while leisureliness is the property of being leisurely.

As nouns the difference between easiness and calmness

is that easiness is the quality of being easy; simplicity while calmness is (uncountable) the state of being calm; tranquillity; silence.

In uncountable terms the difference between turbulence and calmness

is that turbulence is specifically, a state of agitation or disturbance in the air which is disruptive to an aircraft while calmness is the state of being calm; tranquillity; silence.