Which to use
“ferro” is a noun and “forro” is an adjective - they look or sound alike but fill different roles in a sentence.
- #2,093
- “ferro” frequency rank
- #22,330
- “forro” frequency rank
- 24423
- confusion score
Side-by-Side Comparison
| Feature | ferro | forro |
|---|---|---|
| Definition | elemento químico de símbolo Fe, possui o número atômico 26 e massa atômica relativa 55,845 u; é o quarto elemento mais abundante na crosta terrestre; é um metal duro e muito reativo, formando ligas com os mais diversos elementos | que teve alforria, liberto da escravidão, aforriado |
Letter map: ferro vs forro
Shared letters muted; letters that set ferro and forro apart highlighted. Shared run: 4.
Role in the sentence - ferro and forro
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ferro is anoun and forroanadjective. On the page they differ by a single letter - e in “ferro” becomes o in “forro”. Our composite confusion score for this pair is 24423, derived from the frequency rank of both members and their visual similarity.
ferro is recorded at frequency rank #2,093, classified as anoun. forro is at rank #22,330, tagged as anadj, pronounced /ˈfo.Ru/.
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 24423, this pair ranks #45,200 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ferro vs forro
Shared letters: for. Private to "ferro": e. Private to "forro": -.
"ferro" · 5 letters · shape CVCCV · "forro" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "ferro" for "forro" ever safe?
In ordinary Portuguese text, does "ferro" or "forro" show up more?
Useful next steps
Pair "ferro" vs "forro" is on the table, pick a follow-up below.
- Full dictionary entry for "ferro" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "forro" - compare definitions side by side with the headword page. Word entry
- This pair ranks #45,200 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ferro" and "forro" also get mixed up with nearby pairs, the highest-scored neighbour is "forro vs fosco". 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 #45,200 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.