As adjectives the difference between fantastical and fictional

is that fantastical is of or pertaining to fantasy while fictional is invented, as opposed to real.

As adverbs the difference between therein and inside

is that therein is (pronominal) in that; in him/her/it while inside is within or towards the interior of something, especially a building.

As a noun inside is

the interior or inner or lesser part.

As a preposition inside is

within the interior of something, closest to the center or to a specific point of reference.

As an adjective inside is

originating from or arranged by someone inside an organisation.

As a verb finance

is .

As a noun bourse is

stock market, stock exchange.

As nouns the difference between trash and damage

is that trash is (chiefly|us) useless things to be discarded; rubbish; refuse while damage is injury or harm; the condition or measure of something not being intact.

As verbs the difference between trash and damage

is that trash is (us) to discard while damage is to impair the soundness, goodness, or value of; to harm or cause destruction.

As adverbs the difference between sometimes and someday

is that sometimes is on certain occasions, or in certain circumstances, but not always while someday is sometime; at some time in the future.

As an adjective sometimes

is (obsolete) former; sometime.

As a noun flam

is flame.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As verbs the difference between play and cut

is that play is (lb) to act in a manner such that one has fun; to engage in activities expressly for the purpose of recreation or entertainment while cut is to beat it; to take a hike; to get lost.

As nouns the difference between play and cut

is that play is activity for amusement only, especially among the young while cut is vial.

As an interjection cut is

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

As nouns the difference between buster and cut

is that buster is (a specific instance of) buster : guy, dude, fella, mack, buddy, loser while cut is vial.

As a proper noun buster

is or buster can be (male).

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 buster and sniper

is that buster is (a specific instance of) buster : guy, dude, fella, mack, buddy, loser while sniper is a person using long-range small arms for precise attacks from a concealed position.

As a proper noun buster

is or buster can be (male).

As nouns the difference between buster and killer

is that buster is (a specific instance of) buster : guy, dude, fella, mack, buddy, loser while killer is an ink eradicator or killer can be a paid killer, a contract killer.

As a proper noun buster

is or buster can be (male).