statisticalvsstatisticallyTell them apart

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

Which to use

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

#5,735
“statistical” frequency rank
#11,800
“statistically” frequency rank
17535
confusion score

Side-by-Side Comparison

Feature statistical statistically
Definition Of or pertaining to statistics. In a statistical way.

Where the eye mixes statistical and statistically

Muted = shared; highlighted = the visual trap. They share 11 letters in sequence.

11 ch
statistical
13 ch
statistically

Look-alike desk: statistical vs statistically

These two trip readers on the page rather than in the ear: statistical is /stəˈtɪs.tɪ.kəl/ while statistically is /stəˈtɪs.tɪ.kə.li/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “statistical” sits inside “statistically”, and the parts of speech differ too (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 17535, derived from the frequency rank of both members and their visual similarity.

statistical is recorded at frequency rank #5,735, classified as anadj, pronounced /stəˈtɪs.tɪ.kəl/. statistically is at rank #11,800, tagged as anadv, pronounced /stəˈtɪs.tɪ.kə.li/.

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 17535, this pair ranks #450,807 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of statistical vs statistically

Shared letters: acilst. Private to "statistical": -. Private to "statistically": y.

"statistical" · 11 letters · shape CCVCVCCVCVC  ·  "statistically" · 13 letters · shape CCVCVCCVCVCCV

Known mistypes of this pair

  • statisticalsattistical · sstatistical · staitstical · statisitcal · statisstical · statistcial · statistiacl · statisticall
  • statisticallysattistically · sstatistically · staitstically · statisitcally · statisstically · statistcially · statistiaclly · statisticallyy

Frequently Asked Questions

Do "statistical" and "statistically" mean the same thing in a sentence?
No - they are not even the same part of speech. "statistical" is an adjective and "statistically" an adverb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "statistical" or "statistically" show up more?
"statistical" is the more common of the two: it sits at frequency rank #5,735 in our English list, against #11,800 for "statistically". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "statistical" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "statistically" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #450,807 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "statistical" and "statistically" also get mixed up with nearby pairs, the highest-scored neighbour is "statistically vs stylistically". 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 #450,807 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