occasional

/əˈkeɪʒ(ə)nəl/

//əˈkeɪʒ(ə)nəl// adj

"occasional" is a 10-letter English headword indexed on PlainSpell.

The verdict

“occasional” has 12 generated spelling variants in the English index at frequency #5,896. The variants make it a useful spelling check.

#5,896
frequency rank, English
1,431
“O” headwords
12
tracked misspellings
4
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Occurring or appearing irregularly from time to time, but not often; incidental.

Corpus desk

Index EN-occasional · occasional · English

occasional · rank #5,896 · 12 variants · 4 confusables

  • FREQ-COMMON #5,896
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-MID 4 pairs
  • VAR-MID 12 variants
  • BOOK-MID 1,431
  • PHOTO-FINISH MG

Nearest frequency peer: MG (-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 “occasional”

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

corpus weight

What this shows “occasional” 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

Visual similarity to commonly confused words

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

occasional vs occasions
80% similar
occasional vs occasioned
80% similar
occasional vs occasionally
83% similar

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

Key facts for occasional
PropertyValue
Headwordoccasional
LanguageEnglish
Part of speechAdjective
IPA/əˈkeɪʒ(ə)nəl/
Letters10
Frequency rank#5,896
Misspellings tracked12
Confusable pairs4
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “occasional”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).occasionallands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “MG” (#5,895), “oriented” (#5,897), “linear” (#5,894). Among 1,431 “O” headwords, “occasional” is #5,896. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 12 spelling variants around occasional (IPA /əˈkeɪʒ(ə)nəl/), anadjective. Corpus frequency is #5,896 among 1,431 “O” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 12 likely wrong-spelling variants for occasional, with forms such as "cocasional", "ocacsional", and "ocasional". 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 4 confusable-pair relationships, "occasions", "occasioned", "occasionally", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle English occasyonal, from Medieval Latin occāsiōnālis and Old French ocasionel. By surface analysis, occasion + -al. The correct English form is occasional, spelled O-C-C-A-S-I-O-N-A-L.

Definition

  1. 1
    Occurring or appearing irregularly from time to time, but not often; incidental.
  2. 2
    Created for a specific occasion.
  3. 3
    Intended for use as the occasion requires.
  4. 4
    Acting in the indicated role from time to time.

Recorded use

Wiktionary examples

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

  1. He was mostly solitary, but enjoyed the occasional visitor.
  2. He took an occasional glass of wine.

Etymology

From Middle English occasyonal, from Medieval Latin occāsiōnālis and Old French ocasionel. By surface analysis, occasion + -al.

This word in other languages

Common misspellings

Also misspelled as:

  • cocasional
  • ocacsional
  • ocasional
  • occaisonal
  • occasinoal
  • occasioanl
  • occasionall
  • occasionla
  • occasionnal
  • occasoinal
  • occassional
  • occsaional

Misspelling Pattern Breakdown

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

cocasional2ocacsional2ocasional1occaisonal2occasinoal2occasioanl2occasionall1occasionla2
Edit distance from "occasional"

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 "occasional"?
"occasional" is spelled O-C-C-A-S-I-O-N-A-L. The IPA pronunciation is /əˈkeɪʒ(ə)nəl/.
What does "occasional" mean?
As an adjective, "occasional" means: Occurring or appearing irregularly from time to time, but not often; incidental.
What words are commonly confused with "occasional"?
"occasional" is commonly confused with "occasions", "occasioned", "occasionally". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "occasional"?
The IPA (International Phonetic Alphabet) transcription for "occasional" is /əˈkeɪʒ(ə)nəl/. 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 "occasional"?
From Middle English occasyonal, from Medieval Latin occāsiōnālis and Old French ocasionel. By surface analysis, occasion + -al. 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 "occasional", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (12 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list