null

/nʌl/

//nʌl// noun

"null" is a 4-letter English headword indexed on PlainSpell.

The verdict

“null” is a moderately-common English word, ranked #10,735 in English word frequency and used as a noun.

#10,735
frequency rank, English
4
letters
4
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A non-existent or empty value or set of values.

Visual similarity to commonly confused words

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

null vs nut
50% similar
null vs nun
50% similar
null vs Nur
25% similar

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

Key facts for null
PropertyValue
Headwordnull
LanguageEnglish
Part of speechNoun
IPA/nʌl/
Letters4
Frequency rank#10,735
Misspellings tracked4
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “null” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). null lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for null is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /nʌl/. Corpus data places it at rank #10,735 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 7 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 4 likely wrong-spelling variants for null, with forms such as "nlul", "nnull", and "nul". 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 20 confusable-pair relationships, "nut", "nun", "Nur", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Borrowed from Middle French nul, from Latin nūllus. The correct English form is null, spelled N-U-L-L.

Definition

  1. 1
    A non-existent or empty value or set of values.
  2. 2
    Zero quantity of expressions; nothing.
  3. 3
    Something that has no force or meaning.
  4. 4
    The null character; the ASCII or Unicode character (␀), represented by a zero value, which indicates no character and is sometimes used as a string terminator.
  5. 5
    The attribute of an entity that has no valid value.
  6. 6
    One of the beads in nulled work.
  7. 7
    The null hypothesis.

Etymology

Borrowed from Middle French nul, from Latin nūllus.

Common misspellings

Also misspelled as: nlul,nnull,nul,unll

Misspelling Pattern Breakdown

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

nlul2nnull1nul1unll2
Edit distance from "null"

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 "null"?
"null" is spelled N-U-L-L. The IPA pronunciation is /nʌl/.
What does "null" mean?
As a noun, "null" means: A non-existent or empty value or set of values.
What words are commonly confused with "null"?
"null" is commonly confused with "nut", "nun", "Nur". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "null"?
The IPA (International Phonetic Alphabet) transcription for "null" is /nʌl/. 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 "null"?
Borrowed from Middle French nul, from Latin nūllus. 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.

Using “null”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is N-U-L-L - every other letter order is a misspelling in standard orthography.
  • Say it as /nʌl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “nut” - see the side-by-side comparison. null vs nut
  • 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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list