RP

/ɑː(ɹ)piː/

//ɑː(ɹ)piː// noun

By · According to Wiktionary data (CC BY-SA) ·

"rp" is a 2-letter English headword indexed on PlainSpell.

The verdict

“RP” sits in 20 confusable pairs (corpus #11,788) as a noun. The look-alike neighbours are the real trap.

#11,788
frequency rank, English
3,094
“R” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of Received Pronunciation.

Corpus desk

Index EN-rp · RP · English

RP · rank #11,788 · 0 variants · 20 confusables

  • FREQ-MID #11,788
  • LEN-SHORT 2 letters
  • VOW-0 0 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 3,094
  • PHOTO-FINISH Rodney

Nearest frequency peer: Rodney (-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 neighbourhood for “RP”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “RP” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

RP vs RS
50% similar
RP vs RT
50% similar
RP vs RV
50% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for RP
PropertyValue
HeadwordRP
LanguageEnglish
Part of speechNoun
IPA/ɑː(ɹ)piː/
Letters2
Frequency rank#11,788
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “RP” sits in English frequency

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).RPlands here:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “Rodney” (#11,787), “sac” (#11,789), “sacrificed” (#11,790). Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for RP is neighbouring look-alikes ("RS", "RT", …), not just typos; it is anoun pronounced /ɑː(ɹ)piː/. Frequency #11,788 among 3,094 “R” headwords. 9 recorded senses keep meaning in play.

RP doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. It also participates in 20 confusable-pair relationships, "RS", "RT", "RV", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

This entry's etymology isn't recorded, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is RP, spelled R-P.

Definition

  1. 1
    Initialism of Received Pronunciation.
  2. 2
    Initialism of rating pending.
  3. 3
    Initialism of retinitis pigmentosa.
  4. 4
    Initialism of roleplay.
  5. 5
    Initialism of rotationplasty.
  6. 6
    Initialism of radiation pressure.
  7. 7
    Initialism of reverse-phase.
  8. 8
    Initialism of red pill.
  9. 9
    Initialism of relying party.

Recorded use

Wiktionary examples

These source excerpts show how RP appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Goodbye RP / Let our words go free / Coo and howl / Lay flat your vowels
  2. Many a RP podcaster, blogger, and Youtuber^([sic]) have fired up their livesteaming software, to arrogantly beat their chests, boasting that men reach their “peak SMV” (“Sexual Marketplace Value”, or desirability to women) in their late 30s.

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 "RP"?
"RP" is spelled R-P. The IPA pronunciation is /ɑː(ɹ)piː/.
What does "RP" mean?
As a noun, "RP" means: Initialism of Received Pronunciation.
What words are commonly confused with "RP"?
"RP" is commonly confused with "RS", "RT", "RV". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "RP"?
The IPA (International Phonetic Alphabet) transcription for "RP" is /ɑː(ɹ)piː/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "RP" come from?
"RP" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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.

What to do next

You've looked up "RP". Here's where to go from here.

  • "RP" maps to 20 confusable pairs in this vintage; the highest-scored is "RS". View pair
  • Usage frequency rank #11,788 among English headwords in this corpus. Corpus statistics
  • Browse more English words in the "R" letter cohort. R–Z browse
  • PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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