rudavsruleTell them apart

Quick tell: ruda is a noun, rule is a verb, so they fill different roles in a sentence.

Which to use

“ruda” is a noun and “rule” is a verb - they look or sound alike but fill different roles in a sentence.

#25,801
“ruda” frequency rank
#32,390
“rule” frequency rank
58191
confusion score

Side-by-Side Comparison

Feature ruda rule
Definition (Ruta spp.) Cualquiera de unas 40 especies de plantas herbáceas o arbustivas de la familia de las rutáceas, siempreverdes, de hijas bi- o tripinnadas, correosas, glaucas, flores amarillas tetrámeras o pentámeras formando cimas, y frutos en cápsula. Son intensamente aromáticas y muy amargas, usándose en medicina y gastronomía. Primera persona del singular (yo) del presente de subjuntivo de rular.

Where the eye mixes ruda and rule

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

4 ch
ruda
4 ch
rule

Visual trap between ruda and rule

These two trip readers on the page rather than in the ear: ruda is [ˈruð̞a] while rule is [ˈrule]. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 58191, derived from the frequency rank of both members and their visual similarity.

ruda is recorded at frequency rank #25,801, classified as anoun, pronounced [ˈruð̞a]. rule is at rank #32,390, tagged as averb, pronounced [ˈrule].

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 58191, this pair ranks #67,405 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of ruda vs rule

Shared letters: ru. Private to "ruda": ad. Private to "rule": el.

"ruda" · 4 letters · shape CVCV  ·  "rule" · 4 letters · shape CVCV

Known mistypes of this pair

  • rudardua · rruda · ruad · rudda · urda
  • rulerlue · rrule · ruel · rulle · urle

Frequently Asked Questions

Can "ruda" and "rule" be used interchangeably?
No - they are not even the same part of speech. "ruda" is a noun and "rule" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ruda" or "rule"?
"ruda" is the more common of the two: it sits at frequency rank #25,801 in our Spanish list, against #32,390 for "rule". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "ruda" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rule" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #67,405 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "ruda" and "rule" also get mixed up with nearby pairs, the highest-scored neighbour is "rule vs rulo". 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 #67,405 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