requirement

/ɹɪˈkwʌɪəm(ə)nt/

//ɹɪˈkwʌɪəm(ə)nt// noun

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

"requirement" is a 11-letter English headword indexed on PlainSpell.

The verdict

“requirement” has 16 generated spelling variants in the English index at frequency #4,628. The variants make it a useful spelling check.

#4,628
frequency rank, English
3,094
“R” headwords
16
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A necessity or prerequisite; something required or obligatory. Its adpositions are generally of in relation to who or what has given it, on in relation to whom or what it is given to, and for in re...

Corpus desk

Index EN-requirement · requirement · English

requirement · rank #4,628 · 16 variants · 2 confusables

  • FREQ-COMMON #4,628
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-LOW 2 pairs
  • VAR-HIGH 16 variants
  • BOOK-MID 3,094
  • PHOTO-FINISH removing

Nearest frequency peer: removing (-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 “requirement”

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

corpus weight

What this shows “requirement” 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

Visual similarity to commonly confused words

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

requirement vs retirement
82% similar
requirement vs requirements
92% similar

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

Key facts for requirement
PropertyValue
Headwordrequirement
LanguageEnglish
Part of speechNoun
IPA/ɹɪˈkwʌɪəm(ə)nt/
Letters11
Frequency rank#4,628
Misspellings tracked16
Confusable pairs2
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “requirement”

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).requirementlands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “removing” (#4,627), “responded” (#4,629), “refugees” (#4,626). Among 3,094 “R” headwords, “requirement” is #4,628. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 16 spelling variants around requirement (IPA /ɹɪˈkwʌɪəm(ə)nt/), anoun. Corpus frequency is #4,628 among 3,094 “R” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 16 likely wrong-spelling variants for requirement, with forms such as "erquirement", "reqiurement", and "reqquirement". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 2 confusable-pair relationships, "retirement", "requirements", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From require + -ment. The correct English form is requirement, spelled R-E-Q-U-I-R-E-M-E-N-T.

Definition

  1. 1
    A necessity or prerequisite; something required or obligatory. Its adpositions are generally of in relation to who or what has given it, on in relation to whom or what it is given to, and for in relation to what is required.
  2. 2
    Something asked.
  3. 3
    A statement (in domain specific terms) which specifies a verifiable constraint on an implementation that it shall undeniably meet or (a) be deemed unacceptable, or (b) result in implementation failure, or (c) result in system failure.

Recorded use

Wiktionary examples

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

  1. Near-synonyms: necessity, prerequisite, requisite, condition, rule
  2. The requirements of life as we know it include carbon, oxygen, hydrogen, water, and energy.

Etymology

From require + -ment.

This word in other languages

exigencia(Español)exigence(Français)Anforderung(Deutsch)exigência(Português)

Common misspellings

Also misspelled as:

  • erquirement
  • reqiurement
  • reqquirement
  • requierment
  • requireemnt
  • requiremennt
  • requirementt
  • requiremetn
  • requiremment
  • requiremnet
  • requirmeent
  • requirrement
  • requriement
  • reuqirement
  • rqeuirement
  • rrequirement

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of requirement - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

erquirement2reqiurement2reqquirement1requierment2requireemnt2requiremennt1requirementt1requiremetn2
Edit distance from "requirement"

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 "requirement"?
"requirement" is spelled R-E-Q-U-I-R-E-M-E-N-T. The IPA pronunciation is /ɹɪˈkwʌɪəm(ə)nt/.
What does "requirement" mean?
As a noun, "requirement" means: A necessity or prerequisite; something required or obligatory. Its adpositions are generally of in relation to who or what has given it, on in relation to whom or what it is given to, and for in re...
What words are commonly confused with "requirement"?
"requirement" is commonly confused with "retirement", "requirements". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "requirement"?
The IPA (International Phonetic Alphabet) transcription for "requirement" is /ɹɪˈkwʌɪəm(ə)nt/. 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 "requirement"?
From require + -ment. 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 "requirement", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

accompanied#4,647arrangement#4,654examination#4,599disappeared#4,594

Similar misspelling depth

Headwords with a similar count of attested misspellings (16 here; floor ≥5).

instrument16 variantsconspiracy16 variantsacquisition16 variantsmaintaining16 variants

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

Source: FrequencyWords open word-frequency list