memorandum

/ˌmɛm.əˈɹæn.dəm/

//ˌmɛm.əˈɹæn.dəm// noun

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

"memorandum" is a 10-letter English headword indexed on PlainSpell.

The verdict

“memorandum” has 15 generated spelling variants in the English index at frequency #15,658. The variants make it a useful spelling check.

#15,658
frequency rank, English
4,057
“M” headwords
15
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A short note serving as a reminder.

Corpus desk

Index EN-memorandum · memorandum · English

memorandum · rank #15,658 · 15 variants · 0 confusables

  • FREQ-MID #15,658
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 15 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH mercer

Nearest frequency peer: mercer (+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.

Rank peers near misspelling magnet “memorandum”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “memorandum” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for memorandum
PropertyValue
Headwordmemorandum
LanguageEnglish
Part of speechNoun
IPA/ˌmɛm.əˈɹæn.dəm/
Letters10
Frequency rank#15,658
Misspellings tracked15
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “memorandum”

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).memorandumlands 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 “mercer” (#15,659), “Maureen” (#15,656), “mermaid” (#15,660). Among 4,057 “M” headwords, “memorandum” is #15,658. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around memorandum (IPA /ˌmɛm.əˈɹæn.dəm/), anoun. Corpus frequency is #15,658 among 4,057 “M” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 15 likely wrong-spelling variants for memorandum, with forms such as "emmorandum", "memmorandum", and "memoarndum". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: Learned borrowing from Latin memorandum, neuter of memorandus (“to be remembered”). The correct English form is memorandum, spelled M-E-M-O-R-A-N-D-U-M.

Definition

  1. 1
    A short note serving as a reminder.
  2. 2
    A written business communication.
  3. 3
    A brief diplomatic communication.
  4. 4
    A page in an annual publication honoring the memory of a person who died during the past year.

Recorded use

Wiktionary examples

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

  1. ....be more difficult or uncertain than it had been for so many weeks, I had scarcely for a moment adverted to it as necessary, or placed it amongst my memoranda against this parting interview; and my final anxieties being spent in comforting her with hopes, and in pressing upon her the necessity of getting some medicines for a violent cough and hoarsenes…
  2. The Trump administration will allow federal workers to promote their religious beliefs to colleagues, display religious items at work and pray together or individually, according to a memorandum issued Monday by the Office of Personnel Management.

Etymology

Learned borrowing from Latin memorandum, neuter of memorandus (“to be remembered”).

This word in other languages

memorándum(Español)mémorandum(Français)Memorandum(Deutsch)lembrete(Português)

Common misspellings

Also misspelled as:

  • emmorandum
  • memmorandum
  • memoarndum
  • memoradnum
  • memoranddum
  • memorandmu
  • memorandumm
  • memoranndum
  • memoranudm
  • memornadum
  • memorrandum
  • memroandum
  • meomrandum
  • mmemorandum
  • mmeorandum

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of memorandum - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

emmorandum2memmorandum1memoarndum2memoradnum2memoranddum1memorandmu2memorandumm1memoranndum1
Edit distance from "memorandum"

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 "memorandum"?
"memorandum" is spelled M-E-M-O-R-A-N-D-U-M. The IPA pronunciation is /ˌmɛm.əˈɹæn.dəm/.
What does "memorandum" mean?
As a noun, "memorandum" means: A short note serving as a reminder.
What are common misspellings of "memorandum"?
Common misspellings include "emmorandum", "memmorandum", "memoarndum", "memoradnum", "memoranddum". The correct spelling is "memorandum".
How do you pronounce "memorandum"?
The IPA (International Phonetic Alphabet) transcription for "memorandum" is /ˌmɛm.əˈɹæn.dəm/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "memorandum"?
Learned borrowing from Latin memorandum, neuter of memorandus (“to be remembered”). See the full etymology section above for more details.
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 "memorandum", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

moderation#15,663paranormal#15,674interfaces#15,635heightened#15,627

Similar misspelling depth

Headwords with a similar count of attested misspellings (15 here; floor ≥5).

flashback15 variantsunbearable15 variantsterrestrial15 variantsdisclaimer15 variants

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

Source: FrequencyWords open word-frequency list