Vexing is a related term of irksome.

As a verb vexing

is .

As a noun vexing

is vexation.

As an adjective irksome is

disagreeable or troublesome by reason of long continuance or repetition; bothersome; annoying; irritating; wearisome; tedious.

Procure is a related term of learn.

As verbs the difference between procure and learn

is that procure is while learn is to acquire, or attempt to acquire knowledge or an ability to do something or learn can be .

Grain is a related term of crumb.

As nouns the difference between grain and crumb

is that grain is hate, hatred, disgust while crumb is a small piece which breaks off from baked food (such as cake, biscuit or bread).

As a verb crumb is

to cover with crumbs.

Flighty is a related term of fluid.

As an adjective flighty

is given to unplanned and silly ideas or actions.

As a noun fluid is

fluid.

Reverberate is a related term of crack.

In lang=en terms the difference between reverberate and crack

is that reverberate is to shine or reflect (from a surface, etc) while crack is to tell (a joke).

In obsolete|lang=en terms the difference between reverberate and crack

is that reverberate is (obsolete) to shine or glow (on something) with reflected light while crack is (obsolete) a boy, generally a pert, lively boy.

As verbs the difference between reverberate and crack

is that reverberate is to ring with many echos while crack is (senseid)to form cracks.

As adjectives the difference between reverberate and crack

is that reverberate is reverberant while crack is highly trained and competent.

As a noun crack is

(senseid)a thin and usually jagged space opened in a previously solid material.

Barbarous is a synonym of crass.

As adjectives the difference between barbarous and crass

is that barbarous is not classical or pure while crass is coarse; crude; not refined or sensible.

Contamination is a synonym of putridity.

As nouns the difference between contamination and putridity

is that contamination is the act or process of contaminating; pollution; defilement; taint; also, that which contaminates while putridity is the state of being putrid.

Indulgent is a related term of easygoing.

As adjectives the difference between indulgent and easygoing

is that indulgent is disposed or prone to indulge, humor, gratify, or give way to one's own or another's desires, etc, or to be compliant, lenient, or forbearing; showing or ready to show favor; favorable; indisposed to be severe or harsh, or to exercise necessary restraint: as, an indulgent parent; to be indulgent to servants while easygoing is (of a person) calm, relaxed, casual and informal.

Dissipated is a related term of immoderate.

As adjectives the difference between dissipated and immoderate

is that dissipated is to have squandered and scattered valuable possessions while devoted to pursuit of self-indulgent pleasures while immoderate is excessive or lacking, not consistent.

As a verb dissipated

is (dissipate).

As adjectives the difference between colourful and unusual

is that colourful is standard spelling of from=British spelling|lang=en|colorful while unusual is unlike what is expected; differing in some way from the norm.