ferasvsferroWhich spelling fits?

Quick tell: feras is a adjective, ferro is a noun, so they fill different roles in a sentence.

Which to use

“feras” is an adjective and “ferro” is a noun - they look or sound alike but fill different roles in a sentence.

#21,182
“feras” frequency rank
#2,093
“ferro” frequency rank
23275
confusion score

Side-by-Side Comparison

Feature feras ferro
Definition forma feminina plural de fero 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

Letter map: feras vs ferro

Shared letters muted; letters that set feras and ferro apart highlighted. Shared run: 3.

5 ch
feras
5 ch
ferro

Grammar separator: feras vs ferro

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: feras is anadjective and ferroanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 23275, derived from the frequency rank of both members and their visual similarity.

feras is recorded at frequency rank #21,182, classified as anadj, pronounced /ˈfɛ.ɾɐs/. ferro is at rank #2,093, tagged as anoun.

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 23275, this pair ranks #46,582 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of feras vs ferro

Shared letters: efr. Private to "feras": as. Private to "ferro": o.

"feras" · 5 letters · shape CVCVC  ·  "ferro" · 5 letters · shape CVCCV

Known mistypes of this pair

  • ferasefras · fears · ferass · ferras · fersa · fferas · freas
  • ferroefrro · fero · feror · fferro · frero

Frequently Asked Questions

Is swapping "feras" for "ferro" ever safe?
No - they are not even the same part of speech. "feras" is an adjective and "ferro" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "feras" or "ferro" show up more?
"ferro" is the more common of the two: it sits at frequency rank #2,093 in our Portuguese list, against #21,182 for "feras". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pair "feras" vs "ferro" is on the table, pick a follow-up below.

  • Full dictionary entry for "feras" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ferro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #46,582 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "feras" and "ferro" also get mixed up with nearby pairs, the highest-scored neighbour is "feras vs fern". 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 #46,582 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list