As nouns the difference between collections and footwear

is that collections is while footwear is an item of clothing that is worn on the foot; a shoe, sandal, etc.

As adjectives the difference between vigorous and arduous

is that vigorous is physically strong and active while arduous is needing or using up much energy; testing powers of endurance.

As nouns the difference between corporation and contractor

is that corporation is a group of individuals, created by law or under authority of law, having a continuous existence independent of the existences of its members, and powers and liabilities distinct from those of its members while contractor is a person who executes the building or improving of buildings.

As nouns the difference between collections and bags

is that collections is plural of lang=en while bags is plural of lang=en.

As a verb bags is

to reserve for oneself.

As an adjective grim

is dismal and gloomy, cold and forbidding.

As a proper noun Grim

is {{surname|A=An|English}}, probably derived from Old English grimm or Old Norse grimr or grimmr.

As a noun grief is

suffering, hardship.

As a verb grief is

to deliberately harass and annoy or cause grief to other players of a game in order to interfere with their enjoyment of it; especially, to do this as one’s primary activity in the game.

As an adjective contracting

is that is getting smaller.

As a verb contracting

is , as in hiring or trading.

As a noun contractor is

a person who executes the building or improving of buildings.

As proper nouns the difference between rush and niki

is that rush is {{surname|A=An|English occupational|from=occupations}} for someone who made things from rushes while Niki is a transliteration of the Modern Greek female given name Νίκη.

As a noun rush

is any of several stiff aquatic or marsh plants of the genus Juncus, having hollow or pithy stems and small flowers.

As a verb rush

is to hurry; to perform a task with great haste.

As an adjective rush

is performed with, or requiring urgency or great haste, or done under pressure.

In lang=en terms the difference between bond and fusion

is that bond is evidence of a long-term debt, by which the bond issuer (the borrower) is obliged to pay interest when due, and repay the principal at maturity, as specified on the face of the bond certificate. The rights of the holder are specified in the bond indenture, which contains the legal terms and conditions under which the bond was issued. Bonds are available in two forms: registered bonds, and bearer bonds while fusion is a style of music that blends disparate genres; especially types of jazz.

As nouns the difference between bond and fusion

is that bond is a peasant; churl while fusion is the merging of similar or different elements into a union.

As an adjective bond

is subject to the tenure called bondage.

As a verb bond

is to connect, secure or tie with a bond; to bind.

As a proper noun Bond

is {{surname}.

As adjectives the difference between ideal and strong

is that ideal is optimal; being the best possibility while strong is capable of producing great physical force.

As proper nouns the difference between ideal and strong

is that ideal is a city in Georgia, USA while Strong is {{surname}.

As a noun ideal

is (a perfect standard of beauty, intellect etc.)A perfect standard of beauty, intellect etc., or a standard of excellence to aim at.

As an adverb strong is

in a strong manner.

As nouns the difference between tillers and branching

is that tillers is plural of lang=en while branching is a process of forming a branch.

As verbs the difference between tillers and branching

is that tillers is third-person singular of tiller while branching is present participle of lang=en.