Centile is a statistical term that refers to each of the 99 points that divide a distribution into 100 groups of the same size. Synonyms for centile include percentile, percentile rank, and hundredth. These terms are often used interchangeably, but the distinction is important in statistical analysis. Percentile refers to the value at a particular point in the distribution, while percentile rank refers to the percentage of the distribution that lies below that value. Another synonym for centile is fractile, which is a broader term that refers to any point that divides a distribution into equal parts. Overall, centile and its synonyms are used to describe the relative position of an observation within a distribution.