eccentricity

/ˌɛk.sɛnˈtɹɪs.ɪ.ti/

//ˌɛk.sɛnˈtɹɪs.ɪ.ti// noun

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

"eccentricity" is a 12-letter English headword indexed on PlainSpell.

The verdict

“eccentricity” has 17 generated spelling variants in the English index at frequency #35,273. The variants make it a useful spelling check.

#35,273
frequency rank, English
2,246
“E” headwords
17
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The quality of being eccentric or odd; any eccentric behaviour.

Corpus desk

Index EN-eccentricity · eccentricity · English

eccentricity · rank #35,273 · 17 variants · 0 confusables

  • FREQ-MID #35,273
  • LEN-MEGA 12 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 17 variants
  • BOOK-MID 2,246
  • PHOTO-FINISH earthen

Nearest frequency peer: earthen (-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 “eccentricity”

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

corpus weight

What this shows “eccentricity” 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
Key facts for eccentricity
PropertyValue
Headwordeccentricity
LanguageEnglish
Part of speechNoun
IPA/ˌɛk.sɛnˈtɹɪs.ɪ.ti/
Letters12
Frequency rank#35,273
Misspellings tracked17
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “eccentricity”

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

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “earthen” (#35,272), “Eccles” (#35,274), “eared” (#35,271). Among 2,246 “E” headwords, “eccentricity” is #35,273. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 17 spelling variants around eccentricity (IPA /ˌɛk.sɛnˈtɹɪs.ɪ.ti/), anoun. Corpus frequency is #35,273 among 2,246 “E” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 17 likely wrong-spelling variants for eccentricity, with forms such as "cecentricity", "eccenntricity", and "eccenrticity". 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. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From eccentric + -ity. The correct English form is eccentricity, spelled E-C-C-E-N-T-R-I-C-I-T-Y.

Definition

  1. 1
    The quality of being eccentric or odd; any eccentric behaviour.
  2. 2
    The ratio, constant for any particular conic section, of the distance of a point from the focus to its distance from the directrix.
  3. 3
    The eccentricity of the conic section (usually an ellipse) defined by the orbit of a given object around a reference object (such as that of a planet around the sun).
  4. 4
    The farthest distance from a vertex to any other vertex.

Recorded use

Wiktionary examples

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

  1. Although the Celebrity was almost impervious to sarcasm, he was now beginning to exhibit visible signs of uneasiness, the consciousness dawning upon him that his eccentricity was not receiving the ovation it merited.
  2. For an ellipse, the eccentricity is the ratio of the distance from the center to a focus divided by the length of the semi-major axis.

Etymology

From eccentric + -ity.

This word in other languages

excentricidad(Español)excentricité(Français)Exzentrizität(Deutsch)excentricidade(Português)

Common misspellings

Also misspelled as:

  • cecentricity
  • eccenntricity
  • eccenrticity
  • eccentircity
  • eccentrciity
  • eccentriccity
  • eccentricitty
  • eccentricityy
  • eccentriciyt
  • eccentrictiy
  • eccentriicty
  • eccentrricity
  • eccenttricity
  • eccetnricity
  • eccnetricity
  • ececntricity
  • ecentricity

Misspelling Pattern Breakdown

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

cecentricity2eccenntricity1eccenrticity2eccentircity2eccentrciity2eccentriccity1eccentricitty1eccentricityy1
Edit distance from "eccentricity"

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 "eccentricity"?
"eccentricity" is spelled E-C-C-E-N-T-R-I-C-I-T-Y. The IPA pronunciation is /ˌɛk.sɛnˈtɹɪs.ɪ.ti/.
What does "eccentricity" mean?
As a noun, "eccentricity" means: The quality of being eccentric or odd; any eccentric behaviour.
What are common misspellings of "eccentricity"?
Common misspellings include "cecentricity", "eccenntricity", "eccenrticity", "eccentircity", "eccentrciity". The correct spelling is "eccentricity".
How do you pronounce "eccentricity"?
The IPA (International Phonetic Alphabet) transcription for "eccentricity" is /ˌɛk.sɛnˈtɹɪs.ɪ.ti/. 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 "eccentricity"?
From eccentric + -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 "eccentricity", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 12 letters (nearest by frequency rank).

dissociation#35,260biosynthesis#35,203amphitheatre#35,182Islamophobia#35,367

Similar misspelling depth

Headwords with a similar count of attested misspellings (17 here; floor ≥5).

deceptively17 variantsblasphemous17 variantsbewildering17 variantsindigestion17 variants

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

Source: FrequencyWords open word-frequency list