The word "high-" is a common prefix used in English language which indicates height or an elevated position. There are several synonyms for the word high such as tall, lofty, elevated, towering, and towering. These words can be used interchangeably depending on the context and the style of writing. For example, a mountain can be described as a towering peak or a lofty summit. Similarly, a person's height can be described as tall or elevated. Using synonyms such as these can help to add variety and richness to writing, making it more interesting and engaging for readers.