expensivevsextensiveConfusable pair

Which to use

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

#2,071
“expensive” frequency rank
#3,056
“extensive” frequency rank
5127
confusion score

Side-by-Side Comparison

Feature expensive extensive
Definition Having a high price or cost. Having a great extent; covering a large area; vast.

Where the eye mixes expensive and extensive

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

9 ch
expensive
9 ch
extensive

Look-alike desk: expensive vs extensive

A purely visual mix-up. expensive (/ɪkˈspɛnsɪv/) and extensive (/ɪkˈstɛn.sɪv/) 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 a single letter - p in “expensive” becomes t in “extensive”. Our composite confusion score for this pair is 5127, derived from the frequency rank of both members and their visual similarity.

expensive is recorded at frequency rank #2,071, classified as anadj, pronounced /ɪkˈspɛnsɪv/. extensive is at rank #3,056, tagged as anadj, pronounced /ɪkˈstɛn.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 5127, this pair ranks #516,484 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of expensive vs extensive

Shared letters: einsvx. Private to "expensive": p. Private to "extensive": t.

"expensive" · 9 letters · shape VCCVCCVCV  ·  "extensive" · 9 letters · shape VCCVCCVCV

Known mistypes of this pair

  • expensiveepxensive · exepnsive · expenisve · expennsive · expensiev · expensivve · expenssive · expensvie
  • extensiveetxensive · exetnsive · extenisve · extennsive · extensiev · extensivve · extenssive · extensvie

Frequently Asked Questions

Do "expensive" and "extensive" mean the same thing in a sentence?
No. They are said differently (/ɪkˈspɛnsɪv/ versus /ɪkˈstɛn.sɪv/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "expensive" or "extensive"?
"expensive" is the more common of the two: it sits at frequency rank #2,071 in our English list, against #3,056 for "extensive". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "expensive" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "extensive" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #516,484 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "expensive" and "extensive" also get mixed up with nearby pairs, the highest-scored neighbour is "extensible vs extensive". 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 #516,484 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