requirement
/ɹɪˈkwʌɪəm(ə)nt/
"requirement" is a 11-letter English headword indexed on PlainSpell.
The verdict
“requirement” is a regularly-used English word, ranked #4,628 in English word frequency and used as a noun.
- #4,628
- frequency rank, English
- 11
- letters
- 16
- tracked misspellings
- 2
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 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...
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | requirement |
| Language | English |
| Part of speech | Noun |
| IPA | /ɹɪˈkwʌɪəm(ə)nt/ |
| Letters | 11 |
| Frequency rank | #4,628 |
| Misspellings tracked | 16 |
| Confusable pairs | 2 |
| Source | Wiktionary (kaikki.org) |
Where “requirement” sits in English frequency
Spelling & Dictionary Insight
The English entry for requirement is 11 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ɹɪˈkwʌɪəm(ə)nt/. Corpus data places it at rank #4,628 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
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
- 1A 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.
- 2Something asked.
- 3A 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.
Etymology
From require + -ment.
This word in other languages
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.
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"?
What does "requirement" mean?
What words are commonly confused with "requirement"?
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Is PlainSpell free to use?
Using “requirement”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is R-E-Q-U-I-R-E-M-E-N-T - every other letter order is a misspelling in standard orthography.
- Say it as /ɹɪˈkwʌɪəm(ə)nt/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “retirement” - see the side-by-side comparison. requirement vs retirement
- Browse more English words and confusable pairs in the same reference. English words
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.