As adjectives the difference between mournful and piteous

is that mournful is filled with grief or sadness; being in a state in which one mourns while piteous is pitiful; evincing pity, compassion, or sympathy.

Aggression is a related term of storming.

As nouns the difference between aggression and storming

is that aggression is aggression while storming is the act by which something is stormed.

As a verb storming is

.

Kind is a related term of grade.

As nouns the difference between kind and grade

is that kind is child (young person) while grade is rank.

As an adjective grade is

nco or officer (attributive).

As nouns the difference between domain and estate

is that domain is a geographic area owned or controlled by a single person or organization while estate is state; condition.

As nouns the difference between peal and jingle

is that peal is a loud sound, or a succession of loud sounds, as of bells, thunder, cannon, shouts, laughter, of a multitude, etc while jingle is the sound of metal or glass clattering against itself.

As verbs the difference between peal and jingle

is that peal is to sound with a peal or peals while jingle is to make a noise of metal or glass clattering against itself.

Delude is a related term of lure.

As verbs the difference between delude and lure

is that delude is to deceive into believing something which is false; to lead into error; to dupe while lure is to attract by temptation etc; to entice.

As a noun lure is

something that tempts or attracts, especially one with a promise of reward or pleasure.

Increase is a related term of magnifying.

As verbs the difference between increase and magnifying

is that increase is (of a quantity) to become larger while magnifying is .

As a noun increase

is an amount by which a quantity is increased.

In obsolete terms the difference between retention and mastery

is that retention is a place of custody or confinement while mastery is the philosopher's stone.

As nouns the difference between retention and mastery

is that retention is the act of retaining or something retained while mastery is the position or authority of a master; dominion; command; supremacy; superiority.

Friendship is a related term of sociability.

As nouns the difference between friendship and sociability

is that friendship is (uncountable) the condition of being friends while sociability is the skill, tendency or property of being sociable or social, of interacting well with others.

Translucent is a related term of perspicuous.

As adjectives the difference between translucent and perspicuous

is that translucent is allowing light to pass through, but diffusing it while perspicuous is clearly expressed, easy to understand; lucid.