In intransitive terms the difference between develop and rise

is that develop is to change with a specific direction, progress while rise is to increase in value or standing.

As a noun rise is

the process of or an action or instance of moving upwards or becoming greater.

As adjectives the difference between phlegmatic and numb

is that phlegmatic is not easily excited to action or passion; calm; sluggish while numb is without the power of sensation and motion or feeling; insensible.

As a noun phlegmatic

is one who has a phlegmatic disposition.

As a verb numb is

to cause to become numb.

As nouns the difference between key and glimmer

is that key is an object designed to open and close a lock while glimmer is a faint light; a dim glow.

As verbs the difference between key and glimmer

is that key is to fit (a lock) with a key while glimmer is to shine with a faint unsteady light.

As an adjective key

is indispensable, supremely important.

As a proper noun Key

is {{surname}.

Unimpassioned is a related term of unconcerned.

As adjectives the difference between unimpassioned and unconcerned

is that unimpassioned is not impassioned; lacking passion; without emotion while unconcerned is indifferent and having no interest; aloof.

Full is a related term of intact.

As adjectives the difference between full and intact

is that full is foul, rotten while intact is untouched, especially by anything that harms, defiles, or the like; uninjured; whole; undefiled; left complete or entire; not damaged.

Phoney is a related term of humbug.

As nouns the difference between phoney and humbug

is that phoney is while humbug is a hoax, prank or jest.

As an adjective phoney

is .

As an interjection humbug is

nonsense!.

As a verb humbug is

to play a trick on.

Fastener is a related term of catch.

As nouns the difference between fastener and catch

is that fastener is something or someone that fastens while catch is (countable) the act of seizing or capturing (jump).

As a verb catch is

(lb) to capture, overtake .

Region is a related term of morsel.

As nouns the difference between region and morsel

is that region is region; area while morsel is a small fragment or share of something, commonly applied to food.

As adjectives the difference between outrageous and cruel

is that outrageous is cruel, violating morality or decency; provoking indignation or affront while cruel is not nice; mean; heartless.

As a verb cruel is

to spoil or ruin (one's chance of success.

Wonderful is a related term of resplendent.

As adjectives the difference between wonderful and resplendent

is that wonderful is tending to excite wonder; surprising, extraordinary while resplendent is shiny and colourful, and thus pleasing to the eye.