tremorvstumorWhat's the difference?

Which to use

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

#20,158
“tremor” frequency rank
#9,122
“tumor” frequency rank
29280
confusion score

Side-by-Side Comparison

Feature tremor tumor
Definition ato ou efeito de tremer; tremura inchaço

Where the eye mixes tremor and tumor

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. tremor runs 6 letters (CCVCVC) against tumor's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
tremor
5 ch
tumor

Visual trap between tremor and tumor

A purely visual mix-up. tremor (/tɾɨ.ˈmoɾ/) and tumor (/tu.ˈmoɾ/) 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 1 letter(s) in length. Our composite confusion score for this pair is 29280, derived from the frequency rank of both members and their visual similarity.

tremor is recorded at frequency rank #20,158, classified as anoun, pronounced /tɾɨ.ˈmoɾ/. tumor is at rank #9,122, tagged as anoun, pronounced /tu.ˈmoɾ/.

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 29280, this pair ranks #39,410 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of tremor vs tumor

Shared letters: mort. Private to "tremor": e. Private to "tumor": u.

"tremor" · 6 letters · shape CCVCVC  ·  "tumor" · 5 letters · shape CVCVC

Known mistypes of this pair

  • tremor ← rtemor · termor · tremmor · tremorr · tremro · treomr · trmeor · trremor
  • tumor ← tmuor · ttumor · tummor · tumorr · tumro · tuomr · utmor

Frequently Asked Questions

Is swapping "tremor" for "tumor" ever safe?
No. They are said differently (/tɾɨ.ˈmoɾ/ versus /tu.ˈmoɾ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "tremor" vs "tumor" - which ranks higher?
"tumor" is the more common of the two: it sits at frequency rank #9,122 in our Portuguese list, against #20,158 for "tremor". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "tremor" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tumor" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #39,410 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "tremor" and "tumor" also get mixed up with nearby pairs, the highest-scored neighbour is "trema vs tremor". 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 #39,410 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