intrusionvsintrusiveWhat's the difference?

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

Which to use

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

#16,733
“intrusion” frequency rank
#18,861
“intrusive” frequency rank
35594
confusion score

Side-by-Side Comparison

Feature intrusion intrusive
Definition The forcible inclusion or entry of an external group or individual; the act of intruding. Tending to intrude; doing that which is not welcome; interrupting or disturbing; entering without permission or welcome.

Where the spellings diverge

Shared letters are muted; the letters that actually set intrusion and intrusive apart are highlighted. They share 7 letters in sequence, which is exactly why the eye skips the difference.

9 ch
intrusion
9 ch
intrusive

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: intrusion is /ɪnˈtɹuːʒən/ while intrusive is /ɪnˈtɹuːsɪv/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 35594, derived from the frequency rank of both members and their visual similarity.

intrusion is recorded at frequency rank #16,733, classified as anoun, pronounced /ɪnˈtɹuːʒən/. 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 35594, this pair ranks #310,648 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of intrusion vs intrusive

Shared letters: inrstu. Private to "intrusion": o. Private to "intrusive": ev.

"intrusion" · 9 letters · shape VCCCVCVVC  ·  "intrusive" · 9 letters · shape VCCCVCVCV

Known mistypes of this pair

  • intrusioninntrusion · inrtusion · intrrusion · intrsuion · intruison · intrusino · intrusionn · intrusoin
  • intrusiveinntrusive · inrtusive · intrrusive · intrsuive · intruisve · intrusiev · intrusivve · intrussive

Frequency comparison

intrusion#16,733
intrusive#18,861

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "intrusion" and "intrusive" be used interchangeably?
No - they are not even the same part of speech. "intrusion" is a noun and "intrusive" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "intrusion" or "intrusive"?
"intrusion" is the more common of the two: it sits at frequency rank #16,733 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.

Remembering intrusion vs intrusive

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “intrusion”; for an adjective, it's “intrusive”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “intrusion” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list