こぶ・瘤kobu[2]odaka (tail-high)

1. nounbump; lump; protuberance; swelling
   ラクダは背中せなかのこぶに大量たいりょうの脂肪しぼうをためることができる。↗

   A camel can store a large amount of fat in the hump on its back.

• Synonym隆起りゅうきWrittenWritten, objective word for ground rising, as in crustal uplift; can also cover a raised area on the skin. 「瘤」 is a concrete lump.
• Synonym膨らみふくらみNeutralA rounded bulge, as in 「胸の膨らみ」; stresses something swelling out smoothly and fully. Neutral register.
• Synonym突起とっきNeutralNeutral, objective term for a projection or protrusion, as in 「突起物」; describes a jutting shape rather than a swollen lump.
• Synonym出っ張りでっぱりCasualColloquial word for a part that sticks out; stresses protruding outward and is not specifically about the body.
• Synonym出張りでばりNeutralA projecting part of a building or the terrain, such as a ledge; the focus is houses and landforms, not the body.
• Synonym突出物とっしゅつぶつWrittenWritten term for something sticking out from a surface; formal, often seen on signs and notices.
• Related腫れ物はれものNeutralA swelling or boil on the skin; also figuratively a person you must handle delicately, as in 「腫れ物に触る」. Neutral register.
• Related腫物しゅもつNeutralThe same word written 「腫物」: a swollen thing on the skin. 「瘤」 is broader, also covering bumps from knocks and hard masses inside the body.
• RelatedおできCasualColloquial, friendly word for a boil or pimple on the skin; warm everyday speech.
• Related腫大しゅだいWrittenMedical, written term for an organ becoming enlarged, as in 「リンパ節腫大」.
• Related腫脹しゅちょうWrittenMedical, written term for tissue swollen by inflammation; the emphasis is on the inflammation.
• Related腫れはれNeutralEveryday, neutral word for the swelling itself, as in 「腫れが引く」; the state of being swollen rather than the lump.
• Related地腫れじばれNeutralNeutral word for swelling around a wound; the focus is the area surrounding the injury.

Use 「瘤」 for a lump or bump on the body, such as 「たんこぶ」. For swelling say 「腫れ」; for boils or pimples 「おでき」 or 「腫れ物」; for something sticking out of an object 「突起」 or, colloquially, 「出っ張り」. 「隆起」 is written style for ground rising, and 「腫大」 and 「腫脹」 are medical terms for organ and tissue swelling.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 病気びょうきで組織そしきや内臓ないぞうにできる固かたく隆起りゅうきした異常いじょうな塊かたまりの総称そうしょう。
2. 打撲だぼくなどでできる体からだの一部いちぶが一時的いちじてきに隆起りゅうきした塊かたまり。
3. 物ものの表面ひょうめんが隆起りゅうきした部分ぶぶん。
4. ひもなどの固かたい結び目むすびめ。
5. 邪魔じゃまなもの。
6. 子供こども。