inform on
"inform-on" is a 8-letter English headword indexed on PlainSpell.
The verdict
“inform on” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To tell on someone; to act as an informant against.
Corpus desk
Index EN-inform-on · inform on · English
inform on · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 9 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "I" 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 | inform on |
| Language | English |
| Part of speech | Verb |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “inform on” in English
Rare enough to double-check
inform on is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. Gloss: "To tell on someone; to act as an informant against.".
No misspelling variants are generated for inform on in our index, a straightforward case of a spelling with little room for common typos. Our dataset records no confusable match here, which tends to mean the word is visually distinctive enough to stand on its own.
This entry carries no recorded etymology, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is inform on, spelled I-N-F-O-R-M- -O-N.
Definition
- 1To tell on someone; to act as an informant against.
Recorded use
Wiktionary exampleThese source excerpts show how inform on appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
In 1983, one of his friends informed on him for reading a forbidden book, and he lost his teaching job.
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.