Ardour is likely misspelled.

Ardour has no English definition.

As a noun compassion

is deep awareness of the suffering of another, coupled with the wish to relieve it.

As a verb compassion

is to pity.

As nouns the difference between kinds and classes

is that kinds is plural of lang=en while classes is plural of lang=en.

As a verb classes is

third-person singular of class.

Fasten is a related term of subjoin.

As a noun fasten

is .

As a verb subjoin is

to add something to the end; to append or annex.

Atrocious is a related term of disquieting.

As adjectives the difference between atrocious and disquieting

is that atrocious is frightful, evil, cruel or monstrous while disquieting is causing mental trouble or anguish; upsetting; making uneasy.

As a verb disquieting is

.

As a noun disquieting is

the act by which someone or something is disquieted.

As adjectives the difference between diplomatic and scheming

is that diplomatic is concerning the relationships between the governments of countries while scheming is tending to scheme.

As a noun diplomatic

is the science of diplomas, or the art of deciphering ancient writings and determining their age, authenticity, etc.; paleography.

As a verb scheming is

present participle of lang=en.

Swift is a related term of superficial.

As an initialism swift

is society for worldwide interbank financial telecommunication.

As an adjective superficial is

shallow, lacking substance.

As a noun superficial is

(chiefly in plural) a surface detail.

In transitive terms the difference between vary and substitute

is that vary is to make of different kinds; to make different from one another; to diversity; to variegate while substitute is in the phrase "substitute X with/by Y", to use Y in place of X; to replace X with Y.

In intransitive terms the difference between vary and substitute

is that vary is to be or act different from the usual while substitute is to serve as a replacement (for someone or something.

Fraudulent is a related term of unsuitable.

As adjectives the difference between fraudulent and unsuitable

is that fraudulent is dishonest; based on fraud or deception while unsuitable is not suitable; unfit; inappropriate.

In obsolete terms the difference between fault and outrage

is that fault is want; lack while outrage is a destructive rampage.

In transitive terms the difference between fault and outrage

is that fault is to criticize, blame or find fault with something or someone while outrage is to cause or commit an outrage upon; to treat with violence or abuse.

Disclose is a related term of order.

As nouns the difference between disclose and order

is that disclose is (obsolete) a disclosure while order is , command.

As a verb disclose

is (obsolete) to open up, unfasten.