해(hae) and 년(nyeon) both stands 'year'. While 해(hae) is original Korean, 년(nyeon) is sino-Korean word (Chinese originated) - 年. Therefore, 해(hae) is used with original Korean words and 년(nyeon) is used with sino-Korean words. Examples □ this year: 올해 ol-hae □ new year: 새해 sae-hae □ They were born in the same year. - 그들은 같은 해에 태어났다. - geudeureun gateun hae-e tae-eonatta. □ for two years: 이 년 동안 y..