nullity

noun

"nullity" is a 7-letter English headword indexed on PlainSpell.

The verdict

“nullity” is uncommon English (frequency #91,872 among 1,534 “N” headwords), classed as a noun. The kind of spelling people second-guess.

#91,872
frequency rank, English
1,534
“N” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The state of being null, or void, or invalid.

Corpus desk

Index EN-nullity · nullity · English

nullity · rank #91,872 · 0 variants · 0 confusables

  • FREQ-RARE #91,872
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,534
  • PHOTO-FINISH nudism

Nearest frequency peer: nudism (-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.

Long-tail ranks near “nullity”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “nullity” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for nullity
PropertyValue
Headwordnullity
LanguageEnglish
Part of speechNoun
Letters7
Frequency rank#91,872
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “nullity” in English

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).nullityfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “nudism” (#91,871), “nursemaid” (#91,873), “nyet” (#91,874). Among 1,534 “N” headwords, “nullity” is #91,872. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

nullity is uncommon English at frequency #91,872 among 1,534 “N” headwords, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.

We couldn't generate a plausible misspelling set for nullity, suggesting the orthography follows predictable English patterns. No confusable counterpart is on file for this word, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From Middle French nullité and its etymon Medieval Latin nūllitās, from Latin nūllus. By surface analysis, null + -ity. The correct English form is nullity, spelled N-U-L-L-I-T-Y.

Definition

  1. 1
    The state of being null, or void, or invalid.
  2. 2
    A void act; a defective proceeding or one expressly declared by statute to be a nullity.
  3. 3
    The dimension of the kernel of a linear transformation; the dimension of the nullspace of a matrix.

Recorded use

Wiktionary example

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

  1. nullity of marriage

Etymology

From Middle French nullité and its etymon Medieval Latin nūllitās, from Latin nūllus. By surface analysis, null + -ity.

This word in other languages

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 "nullity"?
"nullity" is spelled N-U-L-L-I-T-Y.
What does "nullity" mean?
As a noun, "nullity" means: The state of being null, or void, or invalid.
What is the origin of the word "nullity"?
From Middle French nullité and its etymon Medieval Latin nūllitās, from Latin nūllus. By surface analysis, null + -ity. 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 "nullity", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list