inversion

/ɪnˈvɚ.ʒən/

//ɪnˈvɚ.ʒən// noun

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

The verdict

“inversion” is a moderately-common English word, ranked #20,675 in English word frequency and used as a noun.

#20,675
frequency rank, English
9
letters
14
tracked misspellings
6
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The action of inverting.

Visual similarity to commonly confused words

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

inversion vs Iverson
67% similar
inversion vs invasion
78% similar
inversion vs invention
78% similar

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

Key facts for inversion
PropertyValue
Headwordinversion
LanguageEnglish
Part of speechNoun
IPA/ɪnˈvɚ.ʒən/
Letters9
Frequency rank#20,675
Misspellings tracked14
Confusable pairs6
SourceWiktionary (kaikki.org)

Where “inversion” 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). inversion 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 inversion is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ɪnˈvɚ.ʒən/. Corpus data places it at rank #20,675 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 12 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 14 likely wrong-spelling variants for inversion, with forms such as "inevrsion", "innversion", and "inverison". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 6 confusable-pair relationships, "Iverson", "invasion", "invention", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Latin inversiōnem. The correct English form is inversion, spelled I-N-V-E-R-S-I-O-N.

Definition

  1. 1
    The action of inverting.
  2. 2
    The act of being in an inverted state; being upside down, inside out, or in a reverse sequence.
  3. 3
    The reversal of an interval; the move of one pitch in an interval up or down an octave.
  4. 4
    The position of a chord which has a note other than the root as its bass note.
  5. 5
    The flipping of a melody or contrapuntal line so that high notes become low and vice versa; the reversal of a pitch contour.
  6. 6
    A segment of DNA in the context of a chromosome that is reversed in orientation relative to a reference karyotype or genome.
  7. 7
    A situation where air temperature increases with altitude (the ground being colder than the surrounding air).
  8. 8
    A section of a roller coaster where passengers are temporarily turned upside down.
  9. 9
    Deviation from standard word order, as for example by putting the predicate before the subject. It takes place in questions with auxiliary verbs; in normal, affirmative clauses beginning with a negative particle, for the purpose of emphasis; and in other rhetorical devices or unusual situations.
  10. 10
    An operation on a group, analogous to negation.
  11. 11
    Homosexuality, particularly in early psychoanalysis.
  12. 12
    The catalytic action of invertase.

Etymology

From Latin inversiōnem.

This word in other languages

Common misspellings

Also misspelled as: inevrsion,innversion,inverison,inverrsion,inversino,inversionn,inversoin,inverssion,invertion,invesrion,invresion,invversion,ivnersion,niversion

Misspelling Pattern Breakdown

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

inevrsion2innversion1inverison2inverrsion1inversino2inversionn1inversoin2inverssion1
Edit distance from "inversion"

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 "inversion"?
"inversion" is spelled I-N-V-E-R-S-I-O-N. The IPA pronunciation is /ɪnˈvɚ.ʒən/.
What does "inversion" mean?
As a noun, "inversion" means: The action of inverting.
What words are commonly confused with "inversion"?
"inversion" is commonly confused with "Iverson", "invasion", "invention". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "inversion"?
The IPA (International Phonetic Alphabet) transcription for "inversion" is /ɪnˈvɚ.ʒən/. 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 "inversion"?
From Latin inversiōnem. 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 “inversion”

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

  • The one correct English spelling is I-N-V-E-R-S-I-O-N - every other letter order is a misspelling in standard orthography.
  • Say it as /ɪnˈvɚ.ʒən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “Iverson” - see the side-by-side comparison. inversion vs Iverson
  • 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