When it comes to synonyms for the term "tiny engine," there are a variety of different words that can be used to describe this phenomenon. Some of the most common synonyms for a tiny engine include words like micro-engine, miniature engine, pocket engine, and mini-motor. Other options might include terms like small engine, compact engine, or even simply a small motor or power unit. Ultimately, the word or phrase that you choose to describe a small engine will depend on the context in which it is being used and the specific characteristics of the engine in question.