JMdict: 1249910

にいさん 【にいさん】

  1. [n] older brother; elder brother
  2. [n] brother (as older-brother figure in friendly and or work relationship)
  3. [n] young man; buddy; fella; laddie
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Words often seen with this one: (experimental feature)

こと (74), わたし (61), ボク (52), いい (38),  (37), もう (35), いる (34),  (32),  (32), この (31),  (31),  (31),  (28),  (26), まで (26), 父さん (22), その (22), ありがとう (21), 大丈夫 (21), そんな (20), 姉さん (20),  (19), こんな (19), ママ (18),  (18)