Mrs. Pandit's English Speaking Course

A day after heavy rains created havoc in the city, excess water discharged from Nazare Dam has flooded the region on Thursday. According to Pune district administration(India), at least 150 houses have been damaged. – Times of India (27.09.2019)

Meaning :
Widespread destruction. Confusion and lack of order, especially causing damage or trouble
Sentence:
The storm wreaked (= caused) havoc in the garden, uprooting trees and blowing a fence down.
Synonym :
Mayhem

Affluent
Meaning - Wealthy, Rich
Examples of Affluent in a sentence
1) Though he was born into an affluent family, the once millionaire lost all of his fortune to the stock market crash.
2) The store catered to a mostly affluent customers.
Synonyms & Antonyms for affluent
Synonyms:
deep-pocketed, fat, fat-cat, flush, loaded, moneyed, opulent, rich, silk-stocking, wealthy, well-endowed, well-fixed, well-heeled, well-off, well-to-do
Antonyms: destitute, impecunious, impoverished, indigent, needy, penniless, penurious, poor, poverty-stricken.