rulevsRusWhat's the difference?

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

Which to use

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

#1,234
“rule” frequency rank
#26,234
“Rus” frequency rank
27468
confusion score

Side-by-Side Comparison

Feature rule Rus
Definition A regulation, law, guideline. A people made up of Scandinavian warrior merchants who travelled Eastern European river-roads from the eighth century, and whose settlements around Novgorod, Kiev/Kyiv and the Volga and Dnieper/Dnipro gave rise to the Rus' principalities.

Where the eye mixes rule and Rus

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

4 ch
rule
3 ch
Rus

Visual trap between rule and Rus

These two trip readers on the page rather than in the ear: rule is /ɹuːl/ while Rus is /ɹuːs/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 27468, derived from the frequency rank of both members and their visual similarity.

rule is recorded at frequency rank #1,234, classified as anoun, pronounced /ɹuːl/. Rus is at rank #26,234, tagged as aname, pronounced /ɹuːs/.

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 27468, this pair ranks #378,682 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of rule vs Rus

Shared letters: ru. Private to "rule": el. Private to "Rus": s.

"rule" · 4 letters · shape CVCV  ·  "Rus" · 3 letters · shape CVC

Known mistypes of this pair

  • rulerlue · rrule · ruel · rulle · urle

Frequently Asked Questions

Do "rule" and "Rus" mean the same thing in a sentence?
No - they are not even the same part of speech. "rule" is a noun and "Rus" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "rule" or "Rus" show up more?
"rule" is the more common of the two: it sits at frequency rank #1,234 in our English list, against #26,234 for "Rus". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "rule" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Rus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #378,682 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "rule" and "Rus" also get mixed up with nearby pairs, the highest-scored neighbour is "Rua vs Rus". 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 #378,682 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list