Unconventional is a related term of unexpected.

As adjectives the difference between unconventional and unexpected

is that unconventional is not adhering to convention or accepted standards while unexpected is not expected, anticipated or foreseen.

As a noun unconventional

is something or someone that is unconventional.

As verbs the difference between affect and instigate

is that affect is to influence or alter while instigate is to goad or urge forward; to set on; to provoke; to incite.

As a noun affect

is one's mood or inclination; mental state.

Grimy is a related term of tarnished.

As an adjective grimy

is stained, or covered with grime.

As a verb tarnished is

(tarnish).

Pitiless is a related term of bad.

As an adjective pitiless

is having, or showing, no pity; merciless.

As a verb bad is

to simulate.

As adjectives the difference between rapid and expeditious

is that rapid is very swift or quick while expeditious is fast, prompt, speedy.

As an adverb rapid

is rapidly.

As a noun rapid

is a rough section of a river or stream which is difficult to navigate due to the swift and turbulent motion of the water.

Gist is a related term of heart.

In obsolete|lang=en terms the difference between gist and heart

is that gist is (obsolete) resting place (especially of animals), lodging while heart is (obsolete) to give heart to; to hearten; to encourage.

As nouns the difference between gist and heart

is that gist is the most essential part; the main idea or substance (of a longer or more complicated matter); the crux of a matter while heart is (anatomy) a muscular organ that pumps blood through the body, traditionally thought to be the seat of emotion.

As verbs the difference between gist and heart

is that gist is to summarize, to extract and present the most important parts of while heart is (transitive|poetic|or|humorous) to be fond of often bracketed or abbreviated with a heart symbol.

Jolt is a synonym of thunderbolt.

As nouns the difference between jolt and thunderbolt

is that jolt is an act of jolting while thunderbolt is a flash of lightning accompanied by a crash of thunder.

As a verb jolt

is to push or shake abruptly and roughly.

Flagrant is a related term of satanic.

As adjectives the difference between flagrant and satanic

is that flagrant is obvious and offensive, blatant, scandalous or flagrant can be (obsolete) while satanic is satanic.

Harm is a related term of taunt.

As a proper noun harm

is , low german, derived from herman, meaning "army man".

As a verb taunt is

to make fun of (someone); to (a person) into responding, often in an aggressive manner.

As a noun taunt is

a scornful or mocking remark; a jeer or mockery.

As an adjective taunt is

(nautical) very high or tall.

As nouns the difference between preserve and compote

is that preserve is a sweet spread made of any of a variety of berries while compote is a dessert made of fruit cooked in sugary syrup.

As a verb preserve

is to protect; to keep from harm or injury.