Disobedient is a related term of intractable.

As adjectives the difference between disobedient and intractable

is that disobedient is not obedient while intractable is not tractable or to be drawn or guided by persuasion; not easily governed, managed, or directed; uncontrollable; incurable; violent; stubborn; obstinate.

Snug is a related term of comfy.

As adjectives the difference between snug and comfy

is that snug is comfortable; cosy (cozy); satisfactory while comfy is (informal) comfortable.

As a noun snug

is (british) a small, comfortable back room in a pub.

As a verb snug

is to make secure or snug.

In lang=en terms the difference between review and abstract

is that review is a judicial reassessment of a case or an event while abstract is lacking a story.

In obsolete terms the difference between review and abstract

is that review is to retrace; to go over again while abstract is derived; extracted.

As nouns the difference between review and abstract

is that review is a second or subsequent reading of a text or artifact while abstract is an abridgement or summary.

As verbs the difference between review and abstract

is that review is to survey; to look broadly over while abstract is to separate; to disengage.

As an adjective abstract is

derived; extracted.

As adjectives the difference between melancholy and dejected

is that melancholy is affected with great sadness or depression while dejected is sad and dispirited.

As a noun melancholy

is black bile, formerly thought to be one of the four "cardinal humours" of animal bodies.

As a verb dejected is

past tense of deject.

Derogate is a related term of discredit.

As a verb derogate

is (obsolete|transitive) to partially repeal (a law etc).

As an adjective derogate

is (archaic) debased.

As a noun discredit is

disrepute.

Work is a related term of progress.

In lang=en terms the difference between work and progress

is that work is to behave in a certain way when handled; while progress is to move (something) forward; to advance, to expedite.

As nouns the difference between work and progress

is that work is employment while progress is movement or advancement through a series of events, or points in time; development through time.

As verbs the difference between work and progress

is that work is to do a specific task by employing physical or mental powers while progress is to move, go, or proceed forward; to advance.

Flex is a related term of lean.

As a noun flex

is (uncountable) flexibility, pliancy.

As a verb flex

is to bend something.

As a proper noun lean is

.

Leaden is a synonym of greyish.

As adjectives the difference between leaden and greyish

is that leaden is (dated) made of lead while greyish is .

Unconcerned is a related term of heedless.

As adjectives the difference between unconcerned and heedless

is that unconcerned is indifferent and having no interest; aloof while heedless is unaware, without noticing.

Peaceful is a related term of mild.

As adjectives the difference between peaceful and mild

is that peaceful is not at war or disturbed by strife or turmoil while mild is gentle and not easily provoked.

As a noun mild is

(british) a relatively low-gravity beer, often with a dark colour; mild ale.