RC
"rc" is a 2-letter English headword indexed on PlainSpell.
The verdict
“RC” sits in 20 confusable pairs (corpus #12,128) as an adjective. The look-alike neighbours are the real trap.
- #12,128
- frequency rank, English
- 3,094
- “R” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of radio-controlled.
Corpus desk
Index EN-rc · RC · English
RC · rank #12,128 · 0 variants · 20 confusables
- FREQ-MID #12,128
- LEN-SHORT 2 letters
- VOW-0 0 vowels
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 3,094
- PHOTO-FINISH raging
Nearest frequency peer: raging (-1 rank slots)
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Frequency neighbours of confusable “RC”
Peers at similar corpus weight, separate from look-alike pairs below
- preseason
preseason
87,876 corpus weight
- Qaeda
Qaeda
87,875 corpus weight
- raging
raging
87,874 corpus weight
- RC
RC
87,873 corpus weight
- refresh
refresh
87,871 corpus weight
- resonance
resonance
87,870 corpus weight
What this shows Bars place “RC” against nearest ranked English headwords, not a reprint of the confusable-pair desk.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | RC |
| Language | English |
| Part of speech | Adjective |
| Letters | 2 |
| Frequency rank | #12,128 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “RC”
Easy to mix with look-alikes
The spelling risk for RC is neighbouring look-alikes ("re", "RS", …), not just typos; it is anadjective. Frequency #12,128 among 3,094 “R” headwords. 4 recorded senses keep meaning in play.
We couldn't generate a plausible misspelling set for RC, which points to an orthography that plays by predictable English rules. It also participates in 20 confusable-pair relationships, "re", "RS", "rd", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Wiktionary doesn't record an etymology for this headword, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is RC, spelled R-C.
Definition
- 1Initialism of radio-controlled.
- 2Initialism of remote-controlled.
- 3Initialism of reasonable and customary.
- 4Initialism of refused classification.
Recorded use
Wiktionary exampleThese source excerpts show how RC appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Even though the Vision is a large, complicated device, flying it is far easier than flying a traditional remote control helicopter or a large R.C. aircraft, thanks in part to its intelligence.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.