MB

symbol

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

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

The verdict

“MB” sits in 20 confusable pairs (corpus #9,916) as a symbol. The look-alike neighbours are the real trap.

#9,916
frequency rank, English
4,057
“M” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Abbreviation of megabyte.

Corpus desk

Index EN-mb · MB · English

MB · rank #9,916 · 0 variants · 20 confusables

  • FREQ-COMMON #9,916
  • LEN-SHORT 2 letters
  • VOW-0 0 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH lowering

Nearest frequency peer: lowering (-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 “MB”

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

corpus weight

What this shows Bars show where “MB” 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).

MB vs my
0% similar
MB vs ME
50% similar
MB vs Mr
50% similar

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

Key facts for MB
PropertyValue
HeadwordMB
LanguageEnglish
Part of speechSymbol
Letters2
Frequency rank#9,916
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “MB” sits in English frequency

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).MBlands 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 “lowering” (#9,915), “melted” (#9,917), “lightweight” (#9,914). Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for MB is neighbouring look-alikes ("my", "ME", …), not just typos; it is asymbol. Frequency #9,916 among 4,057 “M” headwords. 2 recorded senses keep meaning in play.

We couldn't generate a plausible misspelling set for MB, which points to an orthography that plays by predictable English rules. It also participates in 20 confusable-pair relationships, "my", "ME", "Mr", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

No borrowing history is documented for this entry, 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 MB, spelled M-B.

Definition

  1. 1
    Abbreviation of megabyte.
  2. 2
    Abbreviation of mebibyte.

Recorded use

Wiktionary examples

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

  1. MB equals 10⁶ bytes and GB equals 10⁹ bytes
  2. “Unlike other platforms, we store your files for as long as you need them, so it is crucial that we manage our storage sustainably. If you need more upload capacity, Nitro Basic offers a 50MB limit, and Nitro gives you up to 500 MB, so you have options that fit your needs,” the company said on its official support page.

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 "MB"?
"MB" is spelled M-B.
What does "MB" mean?
As a symbol, "MB" means: Abbreviation of megabyte.
What words are commonly confused with "MB"?
"MB" is commonly confused with "my", "ME", "Mr". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "MB" come from?
"MB" 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 "MB". Here's where to go from here.

  • "MB" maps to 20 confusable pairs in this vintage; the highest-scored is "my". View pair
  • Usage frequency rank #9,916 among English headwords in this corpus. Corpus statistics
  • Browse more English words in the "M" letter cohort. M–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