The phrase "last half" is commonly used to describe the second half of something, whether it be a game, a class period, or a year. However, there are many synonyms that can be used to describe this portion of time. Words like final stretch, concluding period, end phase, and latter part all evoke the same meaning as "last half". Other options include tail end, concluding half, late period, and latter half. By using a variety of synonyms, writers and speakers can add more depth and variation to their language, making their message more engaging and memorable.