intensivevsintrusiveConfusable pair

Which to use

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

#6,485
“intensive” frequency rank
#18,861
“intrusive” frequency rank
25346
confusion score

Side-by-Side Comparison

Feature intensive intrusive
Definition Done with intensity or to a great degree; thorough. Tending to intrude; doing that which is not welcome; interrupting or disturbing; entering without permission or welcome.

Where the eye mixes intensive and intrusive

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. intensive (VCCVCCVCV) and intrusive (VCCCVCVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

9 ch
intensive
9 ch
intrusive

Visual trap between intensive and intrusive

A purely visual mix-up. intensive (/ɪnˈtɛnsɪv/) and intrusive (/ɪnˈtɹuːsɪv/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 25346, derived from the frequency rank of both members and their visual similarity.

intensive is recorded at frequency rank #6,485, classified as anadj, pronounced /ɪnˈtɛnsɪv/. intrusive is at rank #18,861, tagged as anadj, pronounced /ɪnˈtɹuːsɪv/.

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 25346, this pair ranks #394,988 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of intensive vs intrusive

Shared letters: einstv. Private to "intensive": -. Private to "intrusive": ru.

"intensive" · 9 letters · shape VCCVCCVCV  ·  "intrusive" · 9 letters · shape VCCCVCVCV

Known mistypes of this pair

  • intensive ← inetnsive · inntensive · intenisve · intennsive · intensiev · intensivve · intenssive · intensvie
  • intrusive ← inntrusive · inrtusive · intrrusive · intrsuive · intruisve · intrusiev · intrusivve · intrussive

Frequently Asked Questions

Is swapping "intensive" for "intrusive" ever safe?
No. They are said differently (/ɪnˈtɛnsɪv/ versus /ɪnˈtɹuːsɪv/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "intensive" vs "intrusive" - which ranks higher?
"intensive" is the more common of the two: it sits at frequency rank #6,485 in our English list, against #18,861 for "intrusive". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "intensive" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "intrusive" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #394,988 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "intensive" and "intrusive" also get mixed up with nearby pairs, the highest-scored neighbour is "intensive vs intensively". 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 #394,988 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