rufovsRuthWhat's the difference?

Quick tell: rufo is a adjective, Ruth is a name, so they fill different roles in a sentence.

Which to use

“rufo” is an adjective and “Ruth” is a name - they look or sound alike but fill different roles in a sentence.

#45,592
“rufo” frequency rank
#11,858
“Ruth” frequency rank
57450
confusion score

Side-by-Side Comparison

Feature rufo Ruth
Definition De color entre rubio y rojo, como el de la herrumbre y el cobre. Nombre de pila de mujer.

Where the eye mixes rufo and Ruth

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
rufo
4 ch
Ruth

Look-alike desk: rufo vs Ruth

These two trip readers on the page rather than in the ear: rufo is [ˈrufo] while Ruth is [ˈrut̪]. 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 (adjective vs name), which is usually the fastest check. Our composite confusion score for this pair is 57450, derived from the frequency rank of both members and their visual similarity.

rufo is recorded at frequency rank #45,592, classified as anadj, pronounced [ˈrufo]. Ruth is at rank #11,858, tagged as aname, pronounced [ˈrut̪].

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 57450, this pair ranks #70,462 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of rufo vs Ruth

Shared letters: ru. Private to "rufo": fo. Private to "Ruth": ht.

"rufo" · 4 letters · shape CVCV  ·  "Ruth" · 4 letters · shape CVCC

Known mistypes of this pair

  • ruforfuo · rrufo · ruffo · ruof · urfo
  • Ruthrruth · rtuh · ruht · ruthh · rutth · urth

Frequently Asked Questions

Can "rufo" and "Ruth" be used interchangeably?
No - they are not even the same part of speech. "rufo" is an adjective and "Ruth" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "rufo" or "Ruth" show up more?
"Ruth" is the more common of the two: it sits at frequency rank #11,858 in our Spanish list, against #45,592 for "rufo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "rufo" and "Ruth" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "rufo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Ruth" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #70,462 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "rufo" and "Ruth" also get mixed up with nearby pairs, the highest-scored neighbour is "rajo vs rufo". 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 #70,462 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