As adjectives the difference between colossal and staggering

is that colossal is extremely large or on a great scale while staggering is incredible, overwhelming, amazing.

As a verb staggering is

.

As a noun staggering is

the motion of one who staggers.

As verbs the difference between extends and implements

is that extends is third-person singular of extend while implements is third-person singular of implement.

As a noun implements is

plural of lang=en.

As verbs the difference between begins and begin

is that begins is (begin) while begin is (ambitransitive) to start, to initiate or take the first step into something.

As a noun begin is

(nonstandard) beginning; start.

As nouns the difference between hello and that

is that hello is "!" or an equivalent greeting while that is .

As an interjection hello

is .

As a verb hello

is to greet with "hello".

As nouns the difference between fail and fallthrough

is that fail is while fallthrough is .

As an adjective wider

is (wide).

As a verb extend is

to increase in extent.

As nouns the difference between flirt and act

is that flirt is flirtation while act is (countable) something done, a deed.

As a verb act is

to do something.

As a verb denote

is .

As a noun manifest is

manifesto.

As nouns the difference between goal and shot

is that goal is gaul while shot is the result of launching a projectile or bullet or shot can be a charge to be paid, a scot or shout.

As a proper noun goal

is britain.

As an adjective shot is

(colloquial) worn out or broken.

As a verb shot is

(shoot) or shot can be to load (a gun) with shot.

As an interjection shot is

(colloquial|south africa) thank you.

As nouns the difference between retire and removal

is that retire is the act of retiring, or the state of being retired; also, a place to which one retires while removal is the process of moving, or the fact of being removed.

As a verb retire

is to withdraw; to take away; -- sometimes used reflexively.