As adjectives the difference between adaptable and changeable

is that adaptable is capable of adapting or of being adapted while changeable is capable of being changed.

As adjectives the difference between eminent and deft

is that eminent is eminent; distinguished; noteworthy while deft is quick and neat in action; skillful.

As adjectives the difference between scurrilous and scornful

is that scurrilous is (of a person) given to vulgar verbal abuse; foul-mouthed while scornful is showing scorn or disrespect; contemptuous.

As nouns the difference between approval and cheers

is that approval is an expression granting permission; an indication of agreement with a proposal; an acknowledgement that a person, thing or event meets requirements while cheers is .

As a verb cheers is

(cheer).

As an interjection cheers is

a common toast used when drinking in company.

As adjectives the difference between repugnant and hellish

is that repugnant is repugnant while hellish is causing pain, discomfort or distress.

As a verb repugnant

is .

As adjectives the difference between effective and learned

is that effective is having the power to produce a required effect or effects while learned is (poetic).

As a noun effective

is (military) a soldier fit for duty.

As a verb castigating

is .

As an adjective critical is

inclined to find fault or criticize; fastidious; captious; censorious; exacting.

As a noun critical is

a critical value, factor, etc.

As nouns the difference between ridiculousness and drivel

is that ridiculousness is (uncountable) the characteristic of being ridiculous while drivel is senseless talk; nonsense.

As a verb drivel is

to have saliva drip from the mouth; to drool.

As adjectives the difference between disagreeable and awful

is that disagreeable is not agreeable, conformable, or congruous; contrary; unsuitable while awful is oppressing with fear or horror; appalling, terrible.

As a noun disagreeable

is something displeasing; anything that is disagreeable.

As an adverb awful is

(colloquial) very, extremely; as, an awful big house.

As nouns the difference between improvement and correction

is that improvement is the act of improving]]; advancement or growth; [[promote|promotion in desirable qualities; progress toward what is better; melioration; as, the improvement of the mind, of land, roads, etc while correction is the act of correcting.