necessity

/nɪˈsɛsəti/

//nɪˈsɛsəti// noun

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

"necessity" is a 9-letter English headword indexed on PlainSpell.

The verdict

“necessity” has 12 generated spelling variants in the English index at frequency #8,175. The variants make it a useful spelling check.

#8,175
frequency rank, English
1,534
“N” headwords
12
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The quality or state of being necessary, unavoidable, or absolutely requisite.

Corpus desk

Index EN-necessity · necessity · English

necessity · rank #8,175 · 12 variants · 1 confusable

  • FREQ-COMMON #8,175
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-LOW 1 pairs
  • VAR-MID 12 variants
  • BOOK-MID 1,534
  • PHOTO-FINISH nationals

Nearest frequency peer: nationals (-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 “necessity”

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

corpus weight

What this shows “necessity” 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).

necessity vs necessary
78% similar

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

Key facts for necessity
PropertyValue
Headwordnecessity
LanguageEnglish
Part of speechNoun
IPA/nɪˈsɛsəti/
Letters9
Frequency rank#8,175
Misspellings tracked12
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “necessity”

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).necessitylands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “nationals” (#8,174), “nickname” (#8,176), “nationalist” (#8,173). Among 1,534 “N” headwords, “necessity” is #8,175. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 12 spelling variants around necessity (IPA /nɪˈsɛsəti/), anoun. Corpus frequency is #8,175 among 1,534 “N” headwords. Wiktionary lists 7 senses, so context still picks the gloss.

Our generated misspelling index lists 12 likely wrong-spelling variants for necessity, with forms such as "encessity", "nceessity", and "neccessity". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 1 confusable-pair relationship, "necessary", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English necessite, from Old French necessite, from Latin necessitās (“unavoidableness, compulsion, exigency, necessity”), from necesse (“unavoidable, inevitable”); see necessary. Doublet of Necessitas. The correct English form is necessity, spelled N-E-C-E-S-S-I-T-Y.

Definition

  1. 1
    The quality or state of being necessary, unavoidable, or absolutely requisite.
  2. 2
    The condition of being needy; desperate need; lack.
  3. 3
    Something necessary; a requisite; something indispensable.
  4. 4
    Something which makes an act or an event unavoidable; an irresistible force; overruling power.
  5. 5
    The negation of freedom in voluntary action; the subjection of all phenomena, whether material or spiritual, to inevitable causation; necessitarianism.
  6. 6
    Greater utilitarian good; used in justification of a criminal act.
  7. 7
    Indispensable requirements (of life).

Recorded use

Wiktionary examples

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

  1. I bought a new table out of necessity. My old one was ruined.
  2. Educating the public about some of the myths that underlie their fears that non-traditional families will of necessity be detrimental to the well-being of foster children.

Etymology

From Middle English necessite, from Old French necessite, from Latin necessitās (“unavoidableness, compulsion, exigency, necessity”), from necesse (“unavoidable, inevitable”); see necessary. Doublet of Necessitas.

Synonyms

necessarinessinevitabilityneedfulnesscertaintyrequisite

Antonyms

impossibilitycontingencyluxury

This word in other languages

necesidad(Español)nécessité(Français)Notwendigkeit(Deutsch)necessidade(Português)

Common misspellings

Also misspelled as:

  • encessity
  • nceessity
  • neccessity
  • necesisty
  • necesity
  • necessitty
  • necessityy
  • necessiyt
  • necesstiy
  • necsesity
  • neecssity
  • nnecessity

Misspelling Pattern Breakdown

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

encessity2nceessity2neccessity1necesisty2necesity1necessitty1necessityy1necessiyt2
Edit distance from "necessity"

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 "necessity"?
"necessity" is spelled N-E-C-E-S-S-I-T-Y. The IPA pronunciation is /nɪˈsɛsəti/.
What does "necessity" mean?
As a noun, "necessity" means: The quality or state of being necessary, unavoidable, or absolutely requisite.
What words are commonly confused with "necessity"?
"necessity" is commonly confused with "necessary". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "necessity"?
The IPA (International Phonetic Alphabet) transcription for "necessity" is /nɪˈsɛsəti/. 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 "necessity"?
From Middle English necessite, from Old French necessite, from Latin necessitās (“unavoidableness, compulsion, exigency, necessity”), from necesse (“unavoidable, inevitable”); see necessary. Doublet of Necessitas. 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 "necessity", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

nationals#8,174inherited#8,161religions#8,194renewable#8,195

Similar misspelling depth

Headwords with a similar count of attested misspellings (12 here; floor ≥5).

nickname12 variantsobserver12 variantshometown12 variantsSheffield12 variants

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

Source: FrequencyWords open word-frequency list