Replica is a related term of imitation.

As a verb replica

is .

As a noun imitation is

imitation.

Haphazard is a related term of easygoing.

As adjectives the difference between haphazard and easygoing

is that haphazard is random; chaotic; incomplete; not thorough, constant, or consistent while easygoing is (of a person) calm, relaxed, casual and informal.

Happy is a related term of propitious.

As adjectives the difference between happy and propitious

is that happy is experiencing the effect of favourable fortune; having the feeling arising from the consciousness of well-being or of enjoyment; enjoying good of any kind, as peace, tranquillity, comfort; contented; joyous while propitious is favorable; benevolent (eg propitious weather ).

Resounding is a related term of peal.

As nouns the difference between resounding and peal

is that resounding is the action of the verb to resound while peal is a loud sound, or a succession of loud sounds, as of bells, thunder, cannon, shouts, laughter, of a multitude, etc or peal can be a small salmon; a grilse; a sewin.

As verbs the difference between resounding and peal

is that resounding is while peal is to sound with a peal or peals.

As an adjective resounding

is having a deep, rich sound; mellow and resonant.

Speedy is a related term of effective.

As adjectives the difference between speedy and effective

is that speedy is rapid; swift while effective is having the power to produce a required effect or effects.

As a noun effective is

(military) a soldier fit for duty.

Disintegrate is a related term of spoil.

In lang=en terms the difference between disintegrate and spoil

is that disintegrate is to fall apart, break up into parts while spoil is to reveal the ending of (a story etc); to ruin (a surprise) by exposing it ahead of time.

As verbs the difference between disintegrate and spoil

is that disintegrate is to undo the integrity of, break into parts while spoil is (archaic) to strip (someone who has been killed or defeated) of their arms or armour.

As a noun spoil is

(also in plural: spoils ) plunder taken from an enemy or victim.

Cleavage is a related term of indentation.

As nouns the difference between cleavage and indentation

is that cleavage is the act of cleaving or the state of being cleft while indentation is the act of indenting or state of being indented.

As nouns the difference between warfare and disturbance

is that warfare is the waging of war or armed conflict against an enemy while disturbance is the act of disturbing, being disturbed.

As a verb warfare

is to lead a military life; to carry on continual wars.

As adjectives the difference between gloomy and hopeless

is that gloomy is imperfectly illuminated; dismal through obscurity or darkness; dusky; dim; clouded while hopeless is without hope; despairing; not expecting anything positive.

Scintillating is a related term of racy.

As adjectives the difference between scintillating and racy

is that scintillating is that scintillates with brief flashes of light; sparkling while racy is having a strong flavor indicating origin; of distinct characteristic taste; tasting of the soil; hence, fresh; rich.

As a verb scintillating

is .