Disturbance is a related term of disease.

As nouns the difference between disturbance and disease

is that disturbance is the act of disturbing, being disturbed while disease is (pathology) an abnormal condition of the body or mind that causes discomfort or dysfunction; distinct from injury insofar as the latter is usually instantaneously acquired.

As a verb disease is

(obsolete) to cause unease; to annoy, irritate.

As adjectives the difference between insane and extreme

is that insane is exhibiting unsoundness or disorder of mind; not sane; mad; deranged in mind; delirious; distracted while extreme is of a place, the most remote, farthest or outermost.

As a noun extreme is

the greatest or utmost point, degree or condition.

As an adverb extreme is

extremely.

Contrariety is a related term of quarrel.

As nouns the difference between contrariety and quarrel

is that contrariety is opposition or contrariness; cross-purposes, marked contrast while quarrel is a verbal dispute or heated argument or quarrel can be a diamond-shaped piece of coloured glass forming part of a stained glass window.

As a verb quarrel is

to disagree.

Inflexible is a related term of steady.

As adjectives the difference between inflexible and steady

is that inflexible is not flexible; not capable of bending or being bent; stiff; rigid; firm; unyielding while steady is firm in standing or position; not tottering or shaking; fixed; firm.

As a verb steady is

to stabilize something; to prevent from shaking.

As a noun steady is

(informal) a regular customer.

Moving is a synonym of spurring.

As verbs the difference between moving and spurring

is that moving is while spurring is .

As an adjective moving

is (no comparative or superlative ) that moves or move.

As a noun moving

is (uncountable) the relocation of goods.

Antithetical is a related term of antagonistic.

As adjectives the difference between antithetical and antagonistic

is that antithetical is pertaining to antithesis, or opposition of words and sentiments; containing, or of the nature of, antithesis; contrasted while antagonistic is contending or acting against; as, antagonistic forces.

Pronounce is a related term of philosophize.

As verbs the difference between pronounce and philosophize

is that pronounce is to formally declare, officially or ceremoniously while philosophize is to philosophically ponder or reason out.

Smart is a related term of super.

As a proper noun smart

is .

As an adjective super is

super.

Annex is a related term of conciliate.

As verbs the difference between annex and conciliate

is that annex is to add something to another thing; to incorporate while conciliate is make calm and content; placate.

As a noun annex

is an addition, an extension.

Muddle is a related term of disconcert.

As verbs the difference between muddle and disconcert

is that muddle is to mix together, to mix up; to confuse while disconcert is to upset the composure of.

As a noun muddle

is a mixture; a confusion; a garble.