Stints are temporary periods of time that are typically characterized by their brevity or limited duration. There are several synonyms for the word stints, including spells, intervals, stretches, tours, and shifts. Each of these words conveys a sense of temporary duration, although they may be used in slightly different contexts. For example, a "spell" might refer to a short period of time during which someone performs a particular task, while a "shift" suggests a more defined work schedule. Similarly, an "interval" or "stretch" could refer to a temporary break or pause in a long-term activity. Overall, these synonyms provide helpful alternatives to the word "stints" and can be used to add variety and nuance to one's vocabulary.