on occasion
"on-occasion" is a 10-letter English headword indexed on PlainSpell.
The verdict
“on occasion” is uncommon English (outside the top frequency list), classed as a prep_phrase. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 11
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Occasionally, from time to time, now and then.
Corpus desk
Index EN-on-occasion · on occasion · English
on occasion · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 11 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "O" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | on occasion |
| Language | English |
| Part of speech | Prep_phrase |
| Letters | 11 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “on occasion” in English
Rare enough to double-check
on occasion is uncommon English outside the top frequency list, classed as aprep_phrase. Rarity is why readers land here mid-draft. Gloss: "Occasionally, from time to time, now and then.".
The misspelling generator found no plausible variants for on occasion, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Wiktionary doesn't record an etymology for this headword, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is on occasion, spelled O-N- -O-C-C-A-S-I-O-N.
Definition
- 1Occasionally, from time to time, now and then.
Recorded use
Wiktionary examplesThese source excerpts show how on occasion appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Only on rare occasion.
It is not in itself surprising that a genuine advance of knowledge should in this manner become on occasion a source of new error.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.