홍문연 영어로
- 홍문: 홍문 [紅門]1 [정문(旌門)] a red gate erected in hono(u)r of a loyal retainer; a filial son or a virtuous woman.2 ☞ 홍살문
- 홍문관: Hongmungwan
- 홍문종 (정치인): Hong Moon-jong
- 비문연구: epigraphy
- 신문연파: Xinwen Lianbo
- 국제천문연맹: international astronomical union
- 한국천문연구원: Korea Astronomy and Space Science Institute
- 국제천문연맹의 행성의 정의: IAU definition of planet
- 홍무제: hongwu emperor
- 홍미: Red rice
- 홍모: 홍모 [鴻毛] the feather[down] of a wild goose. 목숨을 ~보다 가볍게 생각하다 think of life as worth no more than a feather / set little value on (one's) life.
- 홍민기: MadLife
- 홍명희: Hong Myong-hui
- 홍민표: Hong Min-pyo
