inform on
"inform-on" is a 8-letter English headword indexed on PlainSpell.
The verdict
“inform on” is outside the top-ranked English vocabulary, used as a verb - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To tell on someone; to act as an informant against.
| Property | Value |
|---|---|
| Headword | inform on |
| Language | English |
| Part of speech | Verb |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “inform on” sits in English frequency
Spelling & Dictionary Insight
The English entry for inform on is 9 letters long, classified as a verb. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "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.
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.
Frequently Asked Questions
How do you spell "inform on"?
What does "inform on" mean?
What language does "inform on" come from?
Is PlainSpell free to use?
Using “inform on”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-N-F-O-R-M- -O-N - every other letter order is a misspelling in standard orthography.
- 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.