# RF

> English word · Noun · frequency rank #14,007

## Definitions
1. Initialism of right foot.
2. Initialism of rangefinder.
3. Initialism of radio frequency.
4. Initialism of rheumatoid factor.
5. Initialism of ratfuck (“dirty rick or act of sabotage or interference”).
6. Initialism of right field or right fielder.
7. Abbreviation of radiance field.

## Etymology
Various etymologies.

## Easily confused with
- **RS** (https://plainspell.com/en/vs/rf-vs-rs)
- **RT** (https://plainspell.com/en/vs/rf-vs-rt)
- **RM** (https://plainspell.com/en/vs/rf-vs-rm)
- **RN** (https://plainspell.com/en/vs/rf-vs-rn)
- **RI** (https://plainspell.com/en/vs/rf-vs-ri)
- **RP** (https://plainspell.com/en/vs/rf-vs-rp)
- **RV** (https://plainspell.com/en/vs/rf-vs-rv)
- **RR** (https://plainspell.com/en/vs/rf-vs-rr)
- **RL** (https://plainspell.com/en/vs/rf-vs-rl)
- **RH** (https://plainspell.com/en/vs/rf-vs-rh)
- **RW** (https://plainspell.com/en/vs/rf-vs-rw)
- **run** (https://plainspell.com/en/vs/rf-vs-run)
- **row** (https://plainspell.com/en/vs/rf-vs-row)
- **rid** (https://plainspell.com/en/vs/rf-vs-rid)
- **Rio** (https://plainspell.com/en/vs/rf-vs-rio)
- **rob** (https://plainspell.com/en/vs/rf-vs-rob)
- **rip** (https://plainspell.com/en/vs/rf-vs-rip)
- **Roy** (https://plainspell.com/en/vs/rf-vs-roy)
- **Ron** (https://plainspell.com/en/vs/rf-vs-ron)
- **rod** (https://plainspell.com/en/vs/rf-vs-rod)

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