Peremptory is a related term of snappy.

As adjectives the difference between peremptory and snappy

is that peremptory is (legal) precluding debate or expostulation; not admitting of question or appeal; positive; absolute; decisive; conclusive; final while snappy is (label) rapid and without delay.

As adjectives the difference between lyric and rhythmic

is that lyric is of, or relating to a type of poetry (such as a sonnet or ode) that expresses subjective thoughts and feelings, often in a songlike style while rhythmic is of or relating to rhythm.

As a noun lyric

is a lyric poem.

Extreme is a related term of unconscionable.

As a noun extreme

is .

As an adjective unconscionable is

not conscionable; unscrupulous and lacking principles or conscience.

Forestall is a related term of frustrate.

As verbs the difference between forestall and frustrate

is that forestall is while frustrate is to disappoint or defeat; to vex by depriving of something expected or desired.

As an adjective frustrate is

vain; ineffectual; useless; nugatory.

Tangle is a related term of disorder.

As nouns the difference between tangle and disorder

is that tangle is a tangled twisted mass or tangle can be any large type of seaweed, especially a species of laminaria while disorder is absence of order; state of not being arranged in an orderly manner.

As a verb tangle

is to become mixed together or intertwined.

In archaic terms the difference between support and income

is that support is to endure without being overcome; bear; undergo; to tolerate while income is a coming in as by influx or inspiration, hence, an inspired quality or characteristic, as courage or zeal; an inflowing principle.

As nouns the difference between support and income

is that support is something which supports. Often used attributively, as a complement or supplement to while income is money one earns by working or by capitalising on the work of others.

As a verb support

is (to keep from falling) To keep from falling.

Unique is a related term of whimsical.

As adjectives the difference between unique and whimsical

is that unique is (not comparable) being the only one of its kind; unequaled, unparalleled or unmatched while whimsical is given to whimsy; capricious; odd; peculiar; playful; light-hearted or amusing.

As a noun unique

is a thing without a like; something unequalled or unparallelled.

General is a synonym of worldwide.

As a noun general

is general.

As an adjective worldwide is

spanning the world.

As an adverb worldwide is

throughout the world.

In transitive terms the difference between jar and crash

is that jar is to shock or surprise while crash is to severely damage or destroy something by causing it to collide with something else.

As an initialism JAR

is initialism of Java ARchive|lang=en.

As an adjective crash is

quick, fast, intensive.

As verbs the difference between maintain and guarantee

is that maintain is to support (someone), to back up or assist (someone) in an action while guarantee is to assure that something will get done right.

As a noun guarantee is

anything that assures a certain outcome.