negabaro BLOG Korean vs Japanese — Grammar, Vocabulary, Pronunciation & Culture

Japanese Loanwords in Korean

Toshi, Kuruma, Sara — Japanese traces Koreans don't even realize

Hundreds of Japanese loanwords from the colonial period (1910-1945) remain in Korean. Most Koreans use them without realizing they're Japanese. While standardized alternatives exist for many, Japanese-origin terms persist strongly in construction sites, slang, and adult vocabulary.


Daily Life Terms

Korean Japanese Origin Meaning Standard Alternative
토시(toshi) 手甲(tekkou)/筒袖 Arm sleeve/protector 팔토시
다마(tama) 玉(tama) Light bulb, marble 전구
구루마(kuruma) 車(kuruma) Cart, car 수레
사라(sara) 皿(sara) Plate, dish 접시
우동(udon) うどん Udon noodles 가락국수
오뎅(oden) おでん Fish cake stew 어묵
노가다(nogada) 土方(dokata) Manual labor 노동자
찌라시(chirashi) チラシ Flyer, leaflet 전단
가다마이(kadamai) 片前(katamae) Originally: single-breasted suit jacket (片=one side, 前=front closure). Opposite: moromai (諸前=double-breasted). In Korean, meaning expanded to "old-school formal suit" itself — the jacket style became the era's image —
무데뽀(mudeppo) 無鉄砲(muteppou) Reckless 무모한

Construction Site Terms

Korean construction sites retain especially many Japanese-origin terms, passed down through apprenticeship culture.

Korean Japanese Origin Meaning
데모도(demodo) 手元(temoto) Assistant laborer
가다(kata) 型(kata) Formwork, mold
시아게(shiage) 仕上げ(shiage) Finishing work
함바(hamba) 飯場(hanba) Site cafeteria/dormitory
빠루(pparu) バール(bar) Pry bar, nail puller

Adult/Slang Terms

Japanese-origin expressions also persist in Korean adult slang, mostly imported from Japanese entertainment culture.

Korean Japanese Origin Meaning
사까시(sakkashi) 逆さ(sakasa) Oral sex slang. Likely from "sakasa" (upside down)
빠구리(ppaguri) パクリ(pakuri) Sex slang. From "pakuri" (to gulp/snatch)
스킨십(skinship) スキンシップ Physical contact. A Japanese-made English word (和製英語) — doesn't exist in actual English

Theater, Comedy & Entertainment Terms

Japanese-origin terms are also common in Korean theater and entertainment, directly influenced by Japan\'s theater/film industry.

Korean Japanese Origin Meaning
시바이(sibai) 芝居(shibai) Acting, theater. \"sibai chinda\" = putting on a fake act
다메(dame) 駄目(dame) No good, NG (used in rehearsals)
오하꼬(ohakko) 十八番(ohako) Specialty, signature move
뽀록(pporok) ボロ(boro) Exposed flaw. \"pporok났다\" = got caught
구라(gura) 空(kara) Lies, bluffing. \"gura chida\" = to lie
사꾸라(sakkura) 桜(sakura) Planted audience member, shill

Why So Many Remain

  1. 35 years of colonial rule: Japanese was used across education, administration, military, and industry
  2. Post-liberation generational transfer: The generation that spoke Japanese natively passed it to children
  3. Construction apprenticeship culture: Technical terms passed orally from seniors to juniors
  4. Slang excluded from purification efforts: Official language reform focused on formal vocabulary
  5. Semantic drift: Many words shifted meaning, becoming uniquely Korean — obscuring their Japanese origin

Key Points

1

Daily: toshi, tama, kuruma, sara, oden, udon, etc.

2

Construction: demodo, kata, shiage, hamba, pparu

3

Adult slang: sakkashi, ppaguri, skinship (wasei-eigo)

4

35 years colonial rule + generational transfer + apprenticeship = hard to purify

5

Many words shifted meaning, obscuring Japanese origin awareness

Use Cases

Recognizing Japanese remnants in Korean — basis for language purification discussion Japanese learners leveraging shared vocabulary with Korean for rapid acquisition
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