🃏 Flashcard
億
おく
Tap to reveal meaning
Hundred million
oku
N4
Tap to test your memory · +10 XP
📊 Word Stats
JLPT Level
N4
Upper-Beginner · ~1,500 vocab · Simple conversations
Kana
おく
Romaji
oku
Words today
0
0 / 10 daily goal
📚 How to Master This Word
Listen & Shadow
Press Hear it, then immediately repeat おく out loud twice. Match the rhythm exactly.
Flashcard First
See the kanji, recall the meaning silently, then flip. This active recall is 3× more effective than reading.
Write It Once
Write 億 by hand while saying おく and "hundred million". Motor memory locks it in.
Spaced Review
Save the word and revisit at 10 min, 1 day, 3 days. Save it using the ♥ button above.
🔗 More JLPT N4 Words
❓ Frequently Asked Questions
What does 億 mean in Japanese?
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The word 億 (おく) means "hundred million" in Japanese. It appears in JLPT N4 vocabulary.
How do you pronounce 億?
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億 is read as おく (romaji: oku). Press the 🔊 Hear it button to hear the pronunciation spoken aloud.
What JLPT level is 億?
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億 is a JLPT N4 vocabulary item. Upper-Beginner · ~1,500 vocab · Simple conversations
How do I remember 億 quickly?
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Use the flashcard on this page to practise active recall: see the kanji first, attempt the meaning from memory, then flip. After getting it right, use the quiz to confirm. Review again at 10 minutes, 1 day and 3 days for long-term retention.
Where can I practise 億 in sentences?
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The example sentence above (from Tatoeba) shows 億 in context. You can also use Nihoner's AI Chat tool to generate extra practice sentences, or search in the Lexicon for related entries.