• 年とし — year
• 一年いちねん — one year
• 今年ことし — this year
• 来年らいねん — next year
• 去年きょねん — last year
• 年上としうえ — older (in age)
• 年間ねんかん — (period of) a year
• 年齢ねんれい — age

Originally, “年” depicted a person carrying grain — symbolizing the harvest and annual cycle. Over time, it came to represent the concept of a year. It's one of the most frequently used kanji in date, age, and calendar-related expressions.