reliablevsreliablyWhich spelling fits?

Quick tell: reliable is a adjective, reliably is an adverb, so they fill different roles in a sentence.

Which to use

“reliable” is an adjective and “reliably” is an adverb - they look or sound alike but fill different roles in a sentence.

#4,404
“reliable” frequency rank
#17,224
“reliably” frequency rank
21628
confusion score

Side-by-Side Comparison

Feature reliable reliably
Definition Suitable or fit to be relied on; worthy of dependence, reliance or trust; dependable, trustworthy In a reliable manner.

Letter map: reliable vs reliably

Shared letters muted; letters that set reliable and reliably apart highlighted. Shared run: 7.

8 ch
reliable
8 ch
reliably

Role in the sentence - reliable and reliably

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: reliable is anadjective and reliablyanadverb. On the page they differ by a single letter - e in “reliable” becomes y in “reliably”. Our composite confusion score for this pair is 21628, derived from the frequency rank of both members and their visual similarity.

reliable is recorded at frequency rank #4,404, classified as anadj, pronounced /ɹɪˈlaɪəbl̩/. reliably is at rank #17,224, tagged as anadv.

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 21628, this pair ranks #422,508 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of reliable vs reliably

Shared letters: abeilr. Private to "reliable": -. Private to "reliably": y.

"reliable" · 8 letters · shape CVCVVCCV  ·  "reliably" · 8 letters · shape CVCVVCCV

Known mistypes of this pair

  • reliableerliable · reilable · relaible · reliabble · reliabel · reliablle · relialbe · relibale
  • reliablyerliably · reilably · relaibly · reliabbly · reliablly · reliablyy · reliabyl · relialby

Frequently Asked Questions

Do "reliable" and "reliably" mean the same thing in a sentence?
No - they are not even the same part of speech. "reliable" is an adjective and "reliably" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "reliable" vs "reliably" - which ranks higher?
"reliable" is the more common of the two: it sits at frequency rank #4,404 in our English list, against #17,224 for "reliably". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "reliable" and "reliably".

  • Full dictionary entry for "reliable" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "reliably" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #422,508 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "reliable" and "reliably" also get mixed up with nearby pairs, the highest-scored neighbour is "reliable vs reusable". 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 #422,508 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