• 旬じゅん

  ten-day period (in a month)

• 旬しゅん

  season (for fruit, seafood, etc.), best time of the year (for)

• 初旬しょじゅん

  first 10 days of the month

• 下旬げじゅん

  last third of a month, 21st to the last day of a month

• 中旬ちゅうじゅん

  middle ten days of a month, 11th to 20th day of a month

• 上旬じょうじゅん

  first third of a month, first ten days of a month

• 旬余じゅんよ

  over ten days

• 旬報じゅんぽう

  ten-day report

• 旬日じゅんじつ

  ten-day period

• 旬間じゅんかん

  period of ten days

• 旬刊じゅんかん

  published every ten days

• 旬月じゅんげつ

  month and ten days, ten months, short time

• 一旬いちじゅん

  ten days

• 波旬はじゅん

  killer demon, demon who strives to destroy all goodness

• 最旬さいしゅん

  hottest (e.g. fashion), freshest, in vogue

• 旬外れじゅんはずれ

  off-season

• 旬の魚しゅんのさかな

  fish in season

• 四旬節しじゅんせつ

  Lent

• 五旬祭ごじゅんさい

  Pentecost

• 五旬節ごじゅんせつ

  Shavuot, Feast of Weeks, (Jewish) Pentecost