eccentricity
/ˌɛk.sɛnˈtɹɪs.ɪ.ti/
"eccentricity" is a 12-letter English headword indexed on PlainSpell.
The verdict
“eccentricity” is a moderately-common English word, ranked #35,273 in English word frequency and used as a noun.
- #35,273
- frequency rank, English
- 12
- letters
- 17
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The quality of being eccentric or odd; any eccentric behaviour.
| Property | Value |
|---|---|
| Headword | eccentricity |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌɛk.sɛnˈtɹɪs.ɪ.ti/ |
| Letters | 12 |
| Frequency rank | #35,273 |
| Misspellings tracked | 17 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “eccentricity” sits in English frequency
Spelling & Dictionary Insight
The English entry for eccentricity is 12 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˌɛk.sɛnˈtɹɪs.ɪ.ti/. Corpus data places it at rank #35,273 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.
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
- 1The quality of being eccentric or odd; any eccentric behaviour.
- 2The ratio, constant for any particular conic section, of the distance of a point from the focus to its distance from the directrix.
- 3The 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).
- 4The farthest distance from a vertex to any other vertex.
Etymology
From eccentric + -ity.
This word in other languages
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.
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"?
What does "eccentricity" mean?
What are common misspellings of "eccentricity"?
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What is the origin of the word "eccentricity"?
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Using “eccentricity”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is E-C-C-E-N-T-R-I-C-I-T-Y - every other letter order is a misspelling in standard orthography.
- Say it as /ˌɛk.sɛnˈtɹɪs.ɪ.ti/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- 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.