The word 'copters' is a popular slang term used to refer to helicopters. However, there are a variety of synonyms that can be used instead of this term, including choppers, whirlybirds, rotorcrafts, helos, and birds. Each term brings its own unique connotations and imagery to mind. Choppers may imply a more aggressive or military-style helicopter, whereas whirlybirds might suggest a more playful or fun aircraft. Rotorcrafts and helos are more technical terms, while birds might imply an ethereal or graceful quality to the aircraft. Regardless of the term used, helicopters are fascinating and important machines that play a vital role in transportation and emergency services.