RMB

noun

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

"rmb" is a 3-letter English headword indexed on PlainSpell.

The verdict

“RMB” sits in 20 confusable pairs (corpus #32,565) as a noun. The look-alike neighbours are the real trap.

#32,565
frequency rank, English
3,094
“R” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of roadside mailbox: part of a postal system used in rural areas where several houses collect their mail from a cluster of mailboxes at the roadside.

Corpus desk

Index EN-rmb · RMB · English

RMB · rank #32,565 · 0 variants · 20 confusables

  • FREQ-MID #32,565
  • LEN-MID 3 letters
  • VOW-0 0 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 3,094
  • PHOTO-FINISH ringed

Nearest frequency peer: ringed (-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 “RMB”

Peers at similar corpus weight, separate from look-alike pairs below

corpus weight

What this shows Bars place “RMB” against nearest ranked English headwords, not a reprint of the confusable-pair desk.

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).

RMB vs RS
33% similar
RMB vs RT
33% similar
RMB vs RN
33% similar

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

Key facts for RMB
PropertyValue
HeadwordRMB
LanguageEnglish
Part of speechNoun
Letters3
Frequency rank#32,565
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “RMB”

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).RMBlands 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 “ringed” (#32,564), “repugnant” (#32,563), “replete” (#32,562). Among 3,094 “R” headwords, “RMB” is #32,565. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for RMB is neighbouring look-alikes ("RS", "RT", …), not just typos; it is anoun. Frequency #32,565 among 3,094 “R” headwords. 3 recorded senses keep meaning in play.

No misspelling variants are generated for RMB in our index, which points to an orthography that plays by predictable English rules. It also participates in 20 confusable-pair relationships, "RS", "RT", "RN", and more, where similar look or sound leads writers to substitute one word for another in context.

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 RMB, spelled R-M-B.

Definition

  1. 1
    Initialism of roadside mailbox: part of a postal system used in rural areas where several houses collect their mail from a cluster of mailboxes at the roadside.
  2. 2
    Initialism of Royal Marine Base.
  3. 3
    Initialism of right mouse button.

Recorded use

Wiktionary examples

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

  1. Address: RMB 35 Beaumont Crescent, The Ridgeway, Queanbeyan. New South Wales 2620, Australia.
  2. 2005, Katy Mallett (editor), Photographers, Flora of Australia: Volume 44B: Poaceae 3, Australian Biological Resources Study, page x, […] The Centre for Crop Improvement, RMB 944 Calala Lane, Tamworth, New South Wales 2340.

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 "RMB"?
"RMB" is spelled R-M-B.
What does "RMB" mean?
As a noun, "RMB" means: Initialism of roadside mailbox: part of a postal system used in rural areas where several houses collect their mail from a cluster of mailboxes at the roadside.
What words are commonly confused with "RMB"?
"RMB" is commonly confused with "RS", "RT", "RN". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "RMB" come from?
"RMB" 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "RMB", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

nad#32,511mem#32,499LCS#32,477jer#32,458

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

Source: FrequencyWords open word-frequency list