rlyvsruleWhich spelling fits?

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

Which to use

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

#41,356
“rly” frequency rank
#1,234
“rule” frequency rank
42590
confusion score

Side-by-Side Comparison

Feature rly rule
Definition Abbreviation of really. A regulation, law, guideline.

Letter map: rly vs rule

Shared letters muted; letters that set rly and rule apart highlighted. Shared run: 2.

3 ch
rly
4 ch
rule

Grammar separator: rly vs rule

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: rly is anadverb and ruleanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 42590, derived from the frequency rank of both members and their visual similarity.

rly is recorded at frequency rank #41,356, classified as anadv. rule is at rank #1,234, tagged as anoun, pronounced /ɹuːl/.

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 42590, this pair ranks #247,795 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of rly vs rule

Shared letters: lr. Private to "rly": y. Private to "rule": eu.

"rly" · 3 letters · shape CCV  ·  "rule" · 4 letters · shape CVCV

Known mistypes of this pair

  • rulerlue · rrule · ruel · rulle · urle

Frequently Asked Questions

Do "rly" and "rule" mean the same thing in a sentence?
No - they are not even the same part of speech. "rly" is an adverb and "rule" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "rly" vs "rule" - which ranks higher?
"rule" is the more common of the two: it sits at frequency rank #1,234 in our English list, against #41,356 for "rly". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "rly" and "rule". Here's where to go from here.

  • Full dictionary entry for "rly" 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 #247,795 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "rly" and "rule" also get mixed up with nearby pairs, the highest-scored neighbour is "rly vs Rua". 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 #247,795 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