Which to use
“inform” and “informed” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #5,603
- “inform” frequency rank
- #3,308
- “informed” frequency rank
- 8911
- confusion score
Side-by-Side Comparison
| Feature | inform | informed |
|---|---|---|
| Definition | To instruct, train (usually in matters of knowledge). | simple past and past participle of inform |
Where the eye mixes inform and informed
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Look-alike desk: inform vs informed
A purely visual mix-up. inform (/ɪnˈfɔɹm/) and informed (/ɪnˈfɔɹmd/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “inform” sits inside “informed”. Our composite confusion score for this pair is 8911, derived from the frequency rank of both members and their visual similarity.
inform is recorded at frequency rank #5,603, classified as averb, pronounced /ɪnˈfɔɹm/. informed is at rank #3,308, tagged as averb, pronounced /ɪnˈfɔɹmd/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 8911, this pair ranks #500,068 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of inform vs informed
Shared letters: fimnor. Private to "inform": -. Private to "informed": de.
"inform" · 6 letters · shape VCCVCC · "informed" · 8 letters · shape VCCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "inform" for "informed" ever safe?
Frequency check: "inform" vs "informed" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "inform" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "informed" - compare definitions side by side with the headword page. Word entry
- This pair ranks #500,068 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "inform" and "informed" also get mixed up with nearby pairs, the highest-scored neighbour is "infirm vs inform". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #500,068 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.