Teenage years is a popular term used to refer to the period of life between the ages of 13 and 19. However, there are other synonyms for this period, such as adolescence, youth, teenagehood, and puberty. Adolescence is a term that encompasses physical, emotional, and cognitive changes that occur in a person during their teenage years. Youth is a broader term that includes the period of life from childhood to young adulthood. Teenagehood is another alternative used to describe the period before adulthood. Puberty is a term that directly refers to the physical changes in an individual's body during their teenage years. These are all terms used interchangeably to refer to the teenage years.