previousvspreviouslyWhat's the difference?

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

Which to use

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

#1,093
“previous” frequency rank
#1,572
“previously” frequency rank
2665
confusion score

Side-by-Side Comparison

Feature previous previously
Definition Prior; occurring before something else, either in time or order. First; beforehand, in advance.

Where the eye mixes previous and previously

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.

8 ch
previous
10 ch
previously

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: previous is /ˈpɹi.vi.əs/ while previously is /ˈpɹiːvi.əsli/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “previous” sits inside “previously”, and the parts of speech differ too (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 2665, derived from the frequency rank of both members and their visual similarity.

previous is recorded at frequency rank #1,093, classified as anadj, pronounced /ˈpɹi.vi.əs/. previously is at rank #1,572, tagged as anadv, pronounced /ˈpɹiːvi.əsli/.

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 2665, this pair ranks #524,375 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of previous vs previously

Shared letters: eioprsuv. Private to "previous": -. Private to "previously": ly.

"previous" · 8 letters · shape CCVCVVVC  ·  "previously" · 10 letters · shape CCVCVVVCCV

Known mistypes of this pair

  • previouspervious · pprevious · preivous · previosu · previouss · previuos · prevoius · prevvious
  • previouslyperviously · ppreviously · preivously · previosuly · previoulsy · previouslly · previouslyy · previoussly

Frequently Asked Questions

Can "previous" and "previously" be used interchangeably?
No - they are not even the same part of speech. "previous" is an adjective and "previously" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "previous" or "previously"?
"previous" is the more common of the two: it sits at frequency rank #1,093 in our English list, against #1,572 for "previously". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "previous" and "previously". Here's where to go from here.

  • Full dictionary entry for "previous" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "previously" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #524,375 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "previous" and "previously" also get mixed up with nearby pairs, the highest-scored neighbour is "precious vs previous". 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

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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

Source: FrequencyWords open word-frequency list