Canny is a related term of deceitful.

As adjectives the difference between canny and deceitful

is that canny is careful, prudent, cautious while deceitful is deliberately misleading or cheating.

Endow is a related term of license.

As verbs the difference between endow and license

is that endow is to furnish with money or its equivalent, as a permanent fund for support; to make pecuniary provision for; to settle an income upon; especially, to furnish with dower; as, to endow a wife; to endow a public institution while license is the act of giving a formal (usually written) authorization.

As a noun license is

(label) a legal document giving official permission to do something; a permit.

Brilliance is a synonym of discernment.

As nouns the difference between brilliance and discernment

is that brilliance is the quality of being exceptionally effulgent (giving off light) while discernment is the ability to distinguish; judgement.

In uncountable terms the difference between efficacy and worthiness

is that efficacy is ability to produce a desired amount of a desired effect while worthiness is the state or quality of being qualified or eligible.

Perplexing is a related term of unfathomable.

As adjectives the difference between perplexing and unfathomable

is that perplexing is confusing or puzzling while unfathomable is impossible to fathom or understand; incomprehensible.

As a verb perplexing

is .

Gruelling is a related term of disturbing.

As adjectives the difference between gruelling and disturbing

is that gruelling is so difficult or taxing as to make one exhausted; backbreaking while disturbing is causing distress or worry; upsetting or unsettling.

As a verb disturbing is

.

Transitory is a related term of fitting.

As adjectives the difference between transitory and fitting

is that transitory is lasting only a short time; temporary while fitting is ready, appropriate, or in keeping.

As a verb fitting is

.

As a noun fitting is

a small detachable part of a device or machine.

Chary is a related term of wily.

As adjectives the difference between chary and wily

is that chary is (obsolete) sad; sorrowful; grievous while wily is sly, cunning, full of tricks.

Unstirred is a related term of idle.

As adjectives the difference between unstirred and idle

is that unstirred is that has not been mixed by stirring while idle is (lb) empty, vacant.

As a verb idle is

to spend in idleness; to waste; to consume.

Friendly is a related term of mollifying.

As an adjective friendly

is generally warm, approachable and easy to relate with in character.

As an adverb friendly

is in a friendly manner, like a friend.

As a noun friendly

is (sports) a game which is of no consequence in terms of ranking, betting etc.

As a verb mollifying is

.