Rising and fall are two words that are often used together to describe changes in a particular situation or condition. The word rising is generally used when referring to something that is increasing, growing, or becoming more prominent. Some common antonyms for the word rising would be falling, declining, decreasing, or dropping. These words are used to indicate that something is becoming smaller, weaker, or less important.
On the other hand, the word fall is used to describe something that is decreasing, sinking, or dropping in level or importance. Some common antonyms for the word fall would be rise, increase, improve or grow. These words are used to show that something is gaining strength or improving as opposed to decreasing or deteriorating.