As adjectives the difference between formidable and arduous

is that formidable is causing fear, dread, awe or admiration as a result of size, strength, or some other impressive quality; commanding respect; causing wonder or astonishment while arduous is needing or using up much energy; testing powers of endurance.

As a proper noun nice

is a city in southeast france on the coast of the mediterranean sea, capital of the department of alpes-maritimes.

As a noun cut is

vial.

As an interjection cut is

beat it]]!; take a hike!; [[get lost|get lost!.

As a verb cut is

to beat it; to take a hike; to get lost.

As nouns the difference between spleen and rancor

is that spleen is obsession, while rancor is the deepest malignity or spite; deep-seated enmity or malice; inveterate hatred.

As verbs the difference between sustain and optimise

is that sustain is to maintain, or keep in existence while optimise is .

As a noun sustain

is (music) a mechanism which can be used to hold a note, as the right pedal on a piano.

As an adjective optimise is

optimized.

As verbs the difference between develope and suggest

is that develope is while suggest is to imply but stop short of saying explicitly.

As adjectives the difference between impoverished and makeshift

is that impoverished is reduced to poverty while makeshift is made to work or suffice; improvised; substituted.

As a verb impoverished

is (impoverish).

As a noun makeshift is

a temporary, usually insubstantial, substitution for something else.

As verbs the difference between connecting and associating

is that connecting is present participle of lang=en while associating is present participle of associate.

As verbs the difference between ascend and rocket

is that ascend is to move upward, to fly, to soar while rocket is to accelerate swiftly and powerfully.

As a noun rocket is

a rocket engine or rocket can be the leaf vegetable eruca sativa'' or ''eruca vesicaria .

As nouns the difference between abiding and ephemeral

is that abiding is the action of one abides; the state of an abider while ephemeral is something which lasts for a short period of time.

As adjectives the difference between abiding and ephemeral

is that abiding is continuing or persisting in the same state; lasting; enduring while ephemeral is lasting for a short period of time.

As a verb abiding

is present participle of lang=en.

As a noun anomaly

is a deviation from a rule or from what is regarded as normal.

As an adjective explicable is

able to be explained.