RSFSR

/ɑː.ɛs.ɛf.ɛsˈɑː/

//ɑː.ɛs.ɛf.ɛsˈɑː// name

"rsfsr" is a 5-letter English headword indexed on PlainSpell.

The verdict

“RSFSR” is an uncommon English word, ranked #85,725 in English word frequency and used as a proper noun.

#85,725
frequency rank, English
5
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Initialism of Russian Soviet Federative Socialist Republic.

Key facts for RSFSR
PropertyValue
HeadwordRSFSR
LanguageEnglish
Part of speechProper noun
IPA/ɑː.ɛs.ɛf.ɛsˈɑː/
Letters5
Frequency rank#85,725
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “RSFSR” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). RSFSR lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for RSFSR is 5 letters long, classified as a proper noun, and transcribed in the International Phonetic Alphabet as /ɑː.ɛs.ɛf.ɛsˈɑː/. Corpus data places it at rank #85,725 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "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

  1. 1
    Initialism 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

How do you spell "RSFSR"?
"RSFSR" is spelled R-S-F-S-R. The IPA pronunciation is /ɑː.ɛs.ɛf.ɛsˈɑː/.
What does "RSFSR" mean?
As a proper noun, "RSFSR" means: Initialism of Russian Soviet Federative Socialist Republic.
How do you pronounce "RSFSR"?
The IPA (International Phonetic Alphabet) transcription for "RSFSR" is /ɑː.ɛs.ɛf.ɛsˈɑː/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "RSFSR" come from?
"RSFSR" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “RSFSR”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is R-S-F-S-R - every other letter order is a misspelling in standard orthography.
  • Say it as /ɑː.ɛs.ɛf.ɛsˈɑː/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list