ratvsruzWhich spelling fits?

Quick tell: rat is a noun, ruz is an adjective, so they fill different roles in a sentence.

Which to use

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

#41,577
“rat” frequency rank
#33,326
“ruz” frequency rank
74903
confusion score

Side-by-Side Comparison

Feature rat ruz
Definition Rata Rojo.

Where the eye mixes rat and ruz

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. rat and ruz follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
rat
3 ch
ruz

Visual trap between rat and ruz

These two trip readers on the page rather than in the ear: rat is [ɹæt] while ruz is [ˈryːs]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 74903, derived from the frequency rank of both members and their visual similarity.

rat is recorded at frequency rank #41,577, classified as anoun, pronounced [ɹæt]. ruz is at rank #33,326, tagged as anadj, pronounced [ˈryːs].

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 74903, this pair ranks #20,526 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of rat vs ruz

Shared letters: r. Private to "rat": at. Private to "ruz": uz.

"rat" · 3 letters · shape CVC  ·  "ruz" · 3 letters · shape CVC

Frequently Asked Questions

Do "rat" and "ruz" mean the same thing in a sentence?
No - they are not even the same part of speech. "rat" is a noun and "ruz" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "rat" or "ruz" show up more?
"ruz" is the more common of the two: it sits at frequency rank #33,326 in our Spanish list, against #41,577 for "rat". 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 "rat" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ruz" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #20,526 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "rat" and "ruz" also get mixed up with nearby pairs, the highest-scored neighbour is "rasta vs rat". Nearby pair

Confusion rank #20,526 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list