Keenness is a related term of severity.

As nouns the difference between keenness and severity

is that keenness is sharpness or cutting ability while severity is the state of being severe.

Vexation is a related term of sorrow.

As nouns the difference between vexation and sorrow

is that vexation is the act of annoying, vexing, or irritating while sorrow is (uncountable) unhappiness, woe.

As a verb sorrow is

to feel or express grief.

As verbs the difference between dilapidated and demolished

is that dilapidated is past participle of lang=en while demolished is past tense of demolish.

As an adjective dilapidated

is having fallen into a state of disrepair or deterioration, especially through neglect.

Melancholy is a related term of poor.

As adjectives the difference between melancholy and poor

is that melancholy is affected with great sadness or depression while poor is with little or no possessions or money.

As nouns the difference between melancholy and poor

is that melancholy is (historical) black bile, formerly thought to be one of the four "cardinal humours" of animal bodies while poor is (with "the") those who have little or no possessions or money, taken as a group.

Tie is a related term of conjoin.

As a noun tie

is key.

As a verb conjoin is

to join together; to unite; to combine.

Light is a related term of delusive.

As a proper noun light

is .

As an adjective delusive is

producing delusions.

Shriking is a related term of bashful.

As an adjective bashful is

inclined to avoid notice.

As adjectives the difference between routine and unvarying

is that routine is according to established procedure while unvarying is persistent, constant or changeless.

As a noun routine

is a course of action to be followed regularly; a standard procedure.

Aromatic is a antonym of sweet-smelling.

As adjectives the difference between sweet-smelling and aromatic

is that sweet-smelling is having a pleasant scent while aromatic is fragrant or spicy.

As a noun aromatic is

a fragrant plant or spice added to a dish to flavour it.

Adulteration is a related term of mishmash.

As nouns the difference between adulteration and mishmash

is that adulteration is the action of adulterating, being mixed with extraneous material, illicit substitution of one substance for another while mishmash is a collection containing a variety of miscellaneous things.

As a verb mishmash is

to mix together, especially in a confused way.