Meaning: A precept is a guiding principle or rule that is used to control, influence or regulate conduct.
Example: Christian discipline is based on the precept of Christ and on apostolic practice.
Synonyms: Doctrine, Axiom, Dogma, Edict
Antonyms: Ambiguity, Unbelief, Lawlessness

Meaning: Cacophonous is having a harsh or loud, annoying sound.
Example: Don’t bombard me with the cacophonous music of yours.
Synonyms: Noisy, Raucous, Dissonant, Discordant
Antonyms: Quiet, Melodious

Meaning: An aversion is a dislike or distaste for something or someone, or a desire to avoid something or someone.
Example: Do you have any aversion to noodles?
Synonyms: nimosity, Antagonism, Antipathy, Distaste
Antonyms: Like, Love, Pleasure, Sympathy

Meaning: A person who lives simply and economically can be called frugal.
Frugal is not spending a lot of money and not being wasteful.
Example: Alex was frugal with his money.
Synonyms: Careful, Meticulous, Stingy, Prudent, Thrifty
Antonyms:Careless, Incautious, Spendthrift, Wasteful, Lavish

Meaning: Benign is something good, kind or not dangerous.
Example: She was known for her benign nature.
Synonyms: Benevolent, Friendly, Benignant, Amiable
Antonyms: Malignant, Harsh, Unfriendly, Unkind