encyclopaedia
/ɪnˌsaɪ.kləˈpi(ː).di.ə/
"encyclopaedia" is a 13-letter English headword indexed on PlainSpell.
The verdict
“encyclopaedia” is a moderately-common English word, ranked #36,540 in English word frequency and used as a noun.
- #36,540
- frequency rank, English
- 13
- letters
- 19
- tracked misspellings
- 2
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Commonwealth standard spelling of encyclopedia.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | encyclopaedia |
| Language | English |
| Part of speech | Noun |
| IPA | /ɪnˌsaɪ.kləˈpi(ː).di.ə/ |
| Letters | 13 |
| Frequency rank | #36,540 |
| Misspellings tracked | 19 |
| Confusable pairs | 2 |
| Source | Wiktionary (kaikki.org) |
Where “encyclopaedia” sits in English frequency
Spelling & Dictionary Insight
The English entry for encyclopaedia is 13 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ɪnˌsaɪ.kləˈpi(ː).di.ə/. Corpus data places it at rank #36,540 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Commonwealth standard spelling of encyclopedia.".
Our generated misspelling index lists 19 likely wrong-spelling variants for encyclopaedia, with forms such as "ecnyclopaedia", "enccyclopaedia", and "enccylopaedia". 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 2 confusable-pair relationships, "encyclopedia", "encyclopedic", since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Etymologically, the entry records: Borrowed from New Latin encyclopaedia; the English word is an etymologically restored spelling variant of earlier encyclopedia, q.v. The correct English form is encyclopaedia, spelled E-N-C-Y-C-L-O-P-A-E-D-I-A.
Definition
- 1Commonwealth standard spelling of encyclopedia.
Etymology
Borrowed from New Latin encyclopaedia; the English word is an etymologically restored spelling variant of earlier encyclopedia, q.v.
Common misspellings
Also misspelled as: ecnyclopaedia,enccyclopaedia,enccylopaedia,encycclopaedia,encycllopaedia,encycloapedia,encyclopadeia,encyclopaedai,encyclopaeddia,encyclopaeida,encyclopeadia,encycloppaedia,encyclpoaedia,encycolpaedia,encylcopaedia,encyyclopaedia,enncyclopaedia,enycclopaedia,necyclopaedia
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of encyclopaedia - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
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 "encyclopaedia"?
What does "encyclopaedia" mean?
What words are commonly confused with "encyclopaedia"?
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What is the origin of the word "encyclopaedia"?
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Using “encyclopaedia”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is E-N-C-Y-C-L-O-P-A-E-D-I-A - every other letter order is a misspelling in standard orthography.
- Say it as /ɪnˌsaɪ.kləˈpi(ː).di.ə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “encyclopedia” - see the side-by-side comparison. encyclopaedia vs encyclopedia
- 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.