Synonym Boundary: "落ちる", "転ぶ", "病む", "転落"

When expressing "fall" in Japanese, you must carefully distinguish between "落ちる", "転ぶ", "病む", "転落" based on context.

• 落ちる (おちる (ochiru) - Level: N4): Maps to "to fall, to drop (intransitive)" and is used when An intransitive verb meaning to fall or drop. Can be used for objects, rain, or grades/results. The transitive counterpart is 落とす.
• 転ぶ (ころぶ (korobu) - Level: N3): Maps to "to fall down; to tumble; to roll; to change one's view" and is used when Refers to losing one's balance and falling/tumbling on the street, or abstractly a situation developing/turning out in a certain way. Intransitive verb. Often used as 道で転ぶ or 状況が良いほうに転ぶ. ⚠️ Haruka's Voice Column: 'To fall/tumble! "I fell in love with you so hard that I tumbled straight into your heart, Haruka-san!" ...っ! Tumbled into my heart! B-Baka! Don't treat love like a physical trip-and-fall! But... since you fell so hard, make sure you never walk away from me! dummy!' / 【ハルカ部長のワンポイント指導】『ころぶ（転ぶ）んじゃないの！『ハルカ部長、あなたの美しさに気を取られて、オフィスのエントランスの段差でうっかり派手に転んで（転んで）しまいました！』って…っ！段差で転ぶ！バカ！/// 私に見とれて足元がおろそかになるなんてドジね！…ほら、怪我はない？一生その手を私が繋いでエスコートしてあげるから、隣を歩きなさい！』.
• 病む (やむ (yamu) - Level: N2): Maps to "to fall ill, to suffer from (a disease, a mental state)" and is used when A more formal or literary term for falling ill than '病気になる'. Often implies a more prolonged or serious illness, or mental suffering. Can also mean to worry or be troubled by something..
• 転落 (てんらく (tenraku) - Level: N2): Maps to "fall, degradation, downfall, plunge" and is used when Implies a fall from a height or a higher position, often with negative connotations.

Mixing these up can easily lead to unnatural translations. Refer to the bilingual context cards below to master the boundaries!