Favour is likely misspelled.

Favour has no English definition.

As a noun kindness

is the state of being kind.

Operation is a synonym of conduct.

As nouns the difference between operation and conduct

is that operation is operation (method by which a device performs its function) while conduct is the act or method of controlling or directing.

As a verb conduct is

(archaic|transitive) to lead, or guide; to escort.

Opening is a related term of trench.

As verbs the difference between opening and trench

is that opening is while trench is (usually|followed by upon) to invade, especially with regard to the rights or the exclusive authority of another; to encroach.

As nouns the difference between opening and trench

is that opening is an act or instance of making or becoming open while trench is a long, narrow ditch or hole dug in the ground.

As an adjective opening

is (cricket).

Nugatory is a related term of incompetent.

As adjectives the difference between nugatory and incompetent

is that nugatory is trivial, trifling or of little importance while incompetent is incompetent.

Furrow is a related term of hollow.

As nouns the difference between furrow and hollow

is that furrow is a trench cut in the soil, as when plowed in order to plant a crop while hollow is a small valley between mountains; a low spot surrounded by elevations.

As verbs the difference between furrow and hollow

is that furrow is to make (a) groove, a cut(s) in (the ground etc) while hollow is to make a hole in something; to excavate (transitive) or hollow can be to urge or call by shouting; to hollo.

As an adjective hollow is

(of something solid) having an empty space or cavity inside.

As an adverb hollow is

(colloquial) completely, as part of the phrase beat hollow or beat all hollow.

As an interjection hollow is

.

Profuse is a related term of luxuriant.

As adjectives the difference between profuse and luxuriant

is that profuse is in great quantity or abundance while luxuriant is abundant in growth or detail.

As a verb profuse

is (obsolete) to pour out; to give or spend liberally; to lavish; to squander.

In transitive terms the difference between index and evidence

is that index is to arrange an index for something, especially a long text while evidence is to provide evidence for, or suggest the truth of.

As a proper noun Index

is a town in Washington.

As adjectives the difference between careless and uncaring

is that careless is free from care; unworried, without anxiety while uncaring is characterized by a lack of care; not caring.

As adverbs the difference between weakly and faintly

is that weakly is with little strength or force while faintly is in a faint manner; very quietly or lightly.

As an adjective weakly

is frail, sickly or of a delicate constitution; weak.

In transitive terms the difference between quarry and game

is that quarry is to obtain (mine) stone by extraction from a quarry while game is to exploit loopholes in a system or bureaucracy in a way which defeats or nullifies the spirit of the rules in effect, usually to obtain a result which otherwise would be unobtainable.

As an adjective game is

willing to participate.