RSFSR
/ɑː.ɛs.ɛf.ɛsˈɑː/
"rsfsr" is a 5-letter English headword indexed on PlainSpell.
The verdict
“RSFSR” is uncommon English (frequency #85,725 among 3,094 “R” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #85,725
- frequency rank, English
- 3,094
- “R” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of Russian Soviet Federative Socialist Republic.
Corpus desk
Index EN-rsfsr · RSFSR · English
RSFSR · rank #85,725 · 0 variants · 0 confusables
- FREQ-RARE #85,725
- LEN-MID 5 letters
- VOW-0 0 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,094
- PHOTO-FINISH ruminant
Nearest frequency peer: ruminant (+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.
Long-tail ranks near “RSFSR”
Sparse band: bars invert rank so rarer forms read shorter
- Rossendale
Rossendale
14,282 corpus weight
- routs
routs
14,279 corpus weight
- RSFSR
RSFSR
14,276 corpus weight
- ruminant
ruminant
14,275 corpus weight
- Rushworth
Rushworth
14,274 corpus weight
- RWS
RWS
14,271 corpus weight
What this shows Long-tail view: where “RSFSR” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | RSFSR |
| Language | English |
| Part of speech | Proper noun |
| IPA | /ɑː.ɛs.ɛf.ɛsˈɑː/ |
| Letters | 5 |
| Frequency rank | #85,725 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “RSFSR” in English
Rare enough to double-check
RSFSR is uncommon English at frequency #85,725 among 3,094 “R” headwords, classed as aproper noun, transcribed /ɑː.ɛs.ɛf.ɛsˈɑː/. Rarity is why readers land here mid-draft. Gloss: "Initialism of Russian Soviet Federative Socialist Republic.".
Zero misspellings are on record for RSFSR in our index, suggesting the orthography follows predictable English patterns. We don't track a confusable pairing for this entry, since its spelling is unusual enough that it doesn't cluster with a lookalike.
No documented word history exists for this headword, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is RSFSR, spelled R-S-F-S-R.
Definition
- 1Initialism of Russian Soviet Federative Socialist Republic.
This word in other languages
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.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "RSFSR", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 5 letters (nearest by frequency rank).