Opening is a related term of curve.

As verbs the difference between opening and curve

is that opening is while curve is .

As a noun opening

is an act or instance of making or becoming open.

As an adjective opening

is (cricket).

Inartificial is a related term of frank.

As an adjective inartificial

is not artificial; natural; simple; artless.

As a noun frank is

one of the franks, a germanic federation that inhabited parts of what are now france, the low countries and germany.

As a proper noun frank is

.

Mischieveous is a related term of destructive.

As an adjective destructive is

causing destruction; damaging.

Bloodthirsty is a related term of cruel.

As adjectives the difference between bloodthirsty and cruel

is that bloodthirsty is eager to resort to violence while cruel is not nice; mean; heartless.

As a verb cruel is

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

Revenue is a related term of produce.

As nouns the difference between revenue and produce

is that revenue is the income returned by an investment while produce is items produced.

As a verb produce is

to yield, make or manufacture; to generate.

Hatred is a related term of opposition.

As nouns the difference between hatred and opposition

is that hatred is strong aversion; intense dislike; hateful regard; an affection of the mind awakened by something regarded as unpleasant, harmful or evil while opposition is the opposition, political opposition; opposition party.

Mar is a related term of injury.

As nouns the difference between mar and injury

is that mar is sea while injury is damage to the body of a human or animal.

As a verb injury is

(obsolete) to wrong, to injure.

Regular is a related term of practical.

As adjectives the difference between regular and practical

is that regular is while practical is based on practice or action rather than theory or hypothesis.

As an adverb regular

is regularly.

As a noun practical is

(british) a part of an exam or series of exams in which the candidate has to demonstrate their practical ability.

Ally is a related term of pacigy.

As nouns the difference between extinction and ruin

is that extinction is the action of making or becoming extinct; annihilation while ruin is the remains of a destroyed or dilapidated construction, such as a house or castle.

As a verb ruin is

to cause the ruin of.