"Per year" is a common phrase used to denote an annual basis. However, there are many synonyms that can be used to convey the same meaning. Some alternatives include "annually," "yearly," "on a yearly basis," "each year," "by the year," and "per annum." These phrases can be used interchangeably, and the choice of words depends on the preference of the writer or speaker. When drafting a text, it is always advisable to use a variety of synonyms to avoid repetition and to keep the content engaging and interesting to the reader or listener.