counter for years (following a number in the hito-futa-mi counting system)
年【ねん】
year, counter for years (e.g. of an era), grades (e.g. school), period of an apprentice's contract (usu. ten years)
今年【ことし】
this year
年代【ねんだい】
age, era, period, date
去年【きょねん】
last year
年生【ねんせい】
nth-year student, nth-year pupil
半年【はんとし】
half a year, six months
毎年【まいとし】
every year, yearly, annually
年齢【ねんれい】
age, years
長年【ながねん】
long time, many years
年寄り【としより】
old person, elderly person, senior citizen, trustee of the Japan Sumo Association, retired high-ranking wrestler who is licensed to coach and receives retirement pay, senior statesman (of the Tokugawa shogunate), important local official (under the Tokugawa Shogunate)
来年【らいねん】
next year
前年【ぜんねん】
the preceding year, the previous year, last year
一昨年【おととし】
year before last
年金【ねんきん】
annuity, pension
前年度【ぜんねんど】
preceding fiscal year
年度【ねんど】
fiscal year (usu. April 1 to March 31 in Japan), financial year, academic year, school year, product year