# sub

> English word · Noun · IPA /sʌb/ · frequency rank #2,236

## Definitions
1. Abbreviation of submarine.
2. Clipping of submarine sandwich: a sandwich made on a long bun.
3. Clipping of submersible.
4. Clipping of substitute, often in sports or teaching.
5. Clipping of subscription (“a payment made for membership of a club, etc.”).
6. Clipping of subtitle
7. Clipping of subroutine (sometimes one that does not return a value, as distinguished from a function, which does)
8. Clipping of subeditor
9. Clipping of subcontractor
10. Clipping of subwoofer
11. Clipping of submission (of a work for publication).
12. Clipping of submissive
13. Clipping of subordinate
14. Clipping of subaltern
15. Clipping of subscription (or (by extension) a subscriber) to an online channel or feed.
16. Clipping of subsistence money, part of a worker's wages paid before the work is finished.
17. Clipping of subreddit.
18. Clipping of subject (“particular area of study”)
19. Clipping of subliminal (“an audio or video recording intended to produce physical or psychological changes in the listener”)

## Etymology
* Shortened form of any of various words beginning with sub-.

## Easily confused with
- **SW** (https://plainspell.com/en/vs/sub-vs-sw)
- **SV** (https://plainspell.com/en/vs/sub-vs-sv)
- **Sy** (https://plainspell.com/en/vs/sub-vs-sy)
- **sun** (https://plainspell.com/en/vs/sub-vs-sun)
- **sum** (https://plainspell.com/en/vs/sub-vs-sum)
- **sue** (https://plainspell.com/en/vs/sub-vs-sue)
- **SUV** (https://plainspell.com/en/vs/sub-vs-suv)
- **sup** (https://plainspell.com/en/vs/sub-vs-sup)
- **Syd** (https://plainspell.com/en/vs/sub-vs-syd)
- **Sus** (https://plainspell.com/en/vs/sub-vs-sus)
- **Sui** (https://plainspell.com/en/vs/sub-vs-sui)
- **syn** (https://plainspell.com/en/vs/sub-vs-syn)
- **suh** (https://plainspell.com/en/vs/sub-vs-suh)
- **Sul** (https://plainspell.com/en/vs/sub-vs-sul)
- **sud** (https://plainspell.com/en/vs/sub-vs-sud)
- **SVP** (https://plainspell.com/en/vs/sub-vs-svp)
- **SVG** (https://plainspell.com/en/vs/sub-vs-svg)
- **such** (https://plainspell.com/en/vs/sub-vs-such)
- **sure** (https://plainspell.com/en/vs/sub-vs-sure)
- **suit** (https://plainspell.com/en/vs/sub-vs-suit)

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/sub