reactivevsreductiveTell them apart

Which to use

“reactive” and “reductive” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#14,199
“reactive” frequency rank
#39,523
“reductive” frequency rank
53722
confusion score

Side-by-Side Comparison

Feature reactive reductive
Definition That reacts or responds to a stimulus. Pertaining to the reduction of a decree etc.; rescissory.

Where the eye mixes reactive and reductive

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

8 ch
reactive
9 ch
reductive

Why the eye confuses reactive with reductive

A purely visual mix-up. reactive (/ɹiːˈæktɪv/) and reductive (/ɹɪˈdʌktɪv/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 53722, derived from the frequency rank of both members and their visual similarity.

reactive is recorded at frequency rank #14,199, classified as anadj, pronounced /ɹiːˈæktɪv/. reductive is at rank #39,523, tagged as anadj, pronounced /ɹɪˈdʌktɪv/.

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 53722, this pair ranks #146,719 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of reactive vs reductive

Shared letters: ceirtv. Private to "reactive": a. Private to "reductive": du.

"reactive" · 8 letters · shape CVVCCVCV  ·  "reductive" · 9 letters · shape CVCVCCVCV

Known mistypes of this pair

  • reactiveeractive · raective · reacctive · reacitve · reactiev · reactivve · reacttive · reactvie
  • reductiveerductive · rdeuctive · redcutive · redductive · reducctive · reducitve · reductiev · reductivve

Frequently Asked Questions

Do "reactive" and "reductive" mean the same thing in a sentence?
No. They are said differently (/ɹiːˈæktɪv/ versus /ɹɪˈdʌktɪv/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "reactive" or "reductive"?
"reactive" is the more common of the two: it sits at frequency rank #14,199 in our English list, against #39,523 for "reductive". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "reactive" and "reductive" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "reactive" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "reductive" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #146,719 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "reactive" and "reductive" also get mixed up with nearby pairs, the highest-scored neighbour is "reductase vs reductive". 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 #146,719 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