responsevsresponsiveWhich spelling fits?

Quick tell: response is a noun, responsive is an adjective, so they fill different roles in a sentence.

Which to use

“response” is a noun and “responsive” is an adjective - they look or sound alike but fill different roles in a sentence.

#1,000
“response” frequency rank
#11,280
“responsive” frequency rank
12280
confusion score

Side-by-Side Comparison

Feature response responsive
Definition An answer or reply, or something in the nature of an answer or reply. Answering, replying or responding

Where the eye mixes response and responsive

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

8 ch
response
10 ch
responsive

Why the eye confuses response with responsive

These two trip readers on the page rather than in the ear: response is /ɹɪˈspɒns/ while responsive is /ɹɪˈspɒn.sɪv/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 12280, derived from the frequency rank of both members and their visual similarity.

response is recorded at frequency rank #1,000, classified as anoun, pronounced /ɹɪˈspɒns/. responsive is at rank #11,280, tagged as anadj, pronounced /ɹɪˈspɒn.sɪv/.

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 12280, this pair ranks #482,447 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of response vs responsive

Shared letters: enoprs. Private to "response": -. Private to "responsive": iv.

"response" · 8 letters · shape CVCCVCCV  ·  "responsive" · 10 letters · shape CVCCVCCVCV

Known mistypes of this pair

  • responseersponse · repsonse · resopnse · respnose · respones · responnse · responsse · resposne
  • responsiveersponsive · repsonsive · resopnsive · respnosive · responisve · responnsive · responsiev · responsivve

Frequently Asked Questions

Can "response" and "responsive" be used interchangeably?
No - they are not even the same part of speech. "response" is a noun and "responsive" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "response" or "responsive" show up more?
"response" is the more common of the two: it sits at frequency rank #1,000 in our English list, against #11,280 for "responsive". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "response" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "responsive" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #482,447 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "response" and "responsive" also get mixed up with nearby pairs, the highest-scored neighbour is "repose vs response". 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 #482,447 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