endurecervsescurecerConfusable pair

Which to use

“endurecer” and “escurecer” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#32,968
“endurecer” frequency rank
#33,400
“escurecer” frequency rank
66368
confusion score

Side-by-Side Comparison

Feature endurecer escurecer
Definition tornar duro; enrijecer, severizar fazer escuro

Where the eye mixes endurecer and escurecer

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

9 ch
endurecer
9 ch
escurecer

Why the eye confuses endurecer with escurecer

A purely visual mix-up. endurecer (/ẽ.du.ɾɨ.ˈseɾ/) and escurecer (/iʃ.ku.ɾɨ.ˈseɾ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 66368, derived from the frequency rank of both members and their visual similarity.

endurecer is recorded at frequency rank #32,968, classified as averb, pronounced /ẽ.du.ɾɨ.ˈseɾ/. escurecer is at rank #33,400, tagged as averb, pronounced /iʃ.ku.ɾɨ.ˈseɾ/.

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 66368, this pair ranks #5,021 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of endurecer vs escurecer

Shared letters: ceru. Private to "endurecer": dn. Private to "escurecer": s.

"endurecer" · 9 letters · shape VCCVCVCVC  ·  "escurecer" · 9 letters · shape VCCVCVCVC

Known mistypes of this pair

  • endurecerednurecer · enddurecer · endruecer · enduercer · endurceer · endureccer · endurecerr · endurecre
  • escurecerecsurecer · esccurecer · escruecer · escuercer · escurceer · escureccer · escurecerr · escurecre

Frequently Asked Questions

Can "endurecer" and "escurecer" be used interchangeably?
No. They are said differently (/ẽ.du.ɾɨ.ˈseɾ/ versus /iʃ.ku.ɾɨ.ˈseɾ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "endurecer" vs "escurecer" - which ranks higher?
"endurecer" is the more common of the two: it sits at frequency rank #32,968 in our Portuguese list, against #33,400 for "escurecer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "endurecer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "escurecer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #5,021 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "endurecer" and "escurecer" also get mixed up with nearby pairs, the highest-scored neighbour is "escurecer vs esquecer". 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 #5,021 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