Aromatics refer to the fragrant substances used in perfumes, cosmetics, and spices. Synonyms for aromatics include fragrance, bouquet, essence, aroma, smell, and scent. Fragrance refers to any pleasant, sweet, or subtle smell that is often associated with flowers and plants. Bouquet is used to describe complex and rich aromas, especially in wines. Essence describes the characteristic fragrance of a substance, and aroma is a sweet or savory smell that fills the air. Smell refers to the scent of an object or place, while scent is a more delicate and subtle fragrance that is often used in perfumes and candles.