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. |
Where the spellings diverge
Shared letters are muted; the letters that actually set reliable and reliably apart are highlighted. They share 7 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
reliable and reliably form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by a single letter - e in “reliable” becomes y in “reliably” - close enough that the eye skips over the difference, far enough that meaning fully diverges. 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.
Frequency comparison
Frequently Asked Questions
Can "reliable" and "reliably" be used interchangeably?
Remembering reliable vs reliably
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “reliable”; for an adverb, it's “reliably”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “reliable” entry
- Browse more pairs most likely to be confused. Most confusable