rulesvsruseWhich spelling fits?

Which to use

“rules” and “ruse” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#932
“rules” frequency rank
#23,664
“ruse” frequency rank
24596
confusion score

Side-by-Side Comparison

Feature rules ruse
Definition plural of rule A turning or doubling back, especially of animals to get out of the way of hunting dogs.

Where the eye mixes rules and ruse

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
rules
4 ch
ruse

Visual trap between rules and ruse

A purely visual mix-up. rules (/ˈɹuːlz/) and ruse (/ɹuːz/) 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 24596, derived from the frequency rank of both members and their visual similarity.

rules is recorded at frequency rank #932, classified as anoun, pronounced /ˈɹuːlz/. ruse is at rank #23,664, tagged as anoun, pronounced /ɹuːz/.

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 24596, this pair ranks #400,805 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of rules vs ruse

Shared letters: ersu. Private to "rules": l. Private to "ruse": -.

"rules" · 5 letters · shape CVCVC  ·  "ruse" · 4 letters · shape CVCV

Known mistypes of this pair

  • rulesrlues · rrules · ruels · ruless · rulles · rulse · urles
  • ruserruse · rsue · rues · russe · urse

Frequently Asked Questions

Is swapping "rules" for "ruse" ever safe?
No. They are said differently (/ˈɹuːlz/ versus /ɹuːz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "rules" or "ruse" show up more?
"rules" is the more common of the two: it sits at frequency rank #932 in our English list, against #23,664 for "ruse". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "rules" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ruse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #400,805 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "rules" and "ruse" also get mixed up with nearby pairs, the highest-scored neighbour is "Rua vs ruse". 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 #400,805 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