Fitting is a related term of reasonable.

As adjectives the difference between fitting and reasonable

is that fitting is ready, appropriate, or in keeping while reasonable is having the faculty of reason; endued with reason; rational.

As a verb fitting

is .

As a noun fitting

is a small detachable part of a device or machine.

Commiseration is a related term of agreement.

As nouns the difference between commiseration and agreement

is that commiseration is commiseration while agreement is (countable) an understanding between entities to follow a specific course of conduct.

In uncountable terms the difference between uprightness and veracity

is that uprightness is the state of being erect, or vertical while veracity is accuracy or precision.

In countable terms the difference between uprightness and veracity

is that uprightness is the result or product of being upright while veracity is something that is true.

Diversity is a related term of stock.

As nouns the difference between diversity and stock

is that diversity is the quality of being diverse or different; difference or unlikeness while stock is stick, staff.

As a prefix stock is

used to emphasize.

Affect is a related term of signify.

As verbs the difference between affect and signify

is that affect is to influence or alter or affect can be (obsolete|transitive) to aim for, to try to obtain while signify is to give (something) a meaning or an importance.

As a noun affect

is (obsolete) one's mood or inclination; mental state.

Human is a synonym of gentle.

As adjectives the difference between human and gentle

is that human is (label) classical (of or pertaining to the classical - latin, greek - languages, literature, history and philosophy) while gentle is tender and amiable; of a considerate or kindly disposition.

As a verb gentle is

to become gentle.

As a noun gentle is

(archaic) a person of high birth.

Urge is a related term of incense.

As nouns the difference between urge and incense

is that urge is gopher (a small burrowing furry rodent) while incense is a perfume used in the rites of various religions.

As a verb incense is

to anger or infuriate.

Severe is a related term of fiery.

As adjectives the difference between severe and fiery

is that severe is severe, harsh while fiery is of or relating to fire.

Perpetual is a related term of never_failing.

Chump is a related term of galah.

As nouns the difference between chump and galah

is that chump is (colloquial|pejorative) an incompetent person, a blockhead; a loser while galah is a pink and grey species of cockatoo, eolophus roseicapilla , native to australia.