impactvsintactWhat's the difference?

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

Which to use

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

#1,273
“impact” frequency rank
#7,351
“intact” frequency rank
8624
confusion score

Side-by-Side Comparison

Feature impact intact
Definition The striking of one body against another; collision. Left complete or whole; not touched, defiled, sullied, or otherwise damaged.

Where the spellings diverge

Shared letters are muted; the letters that actually set impact and intact apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

6 ch
impact
6 ch
intact

Spelling & Dictionary Insight

impact and intact form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They share most of their letters but differ in 2 positions - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 8624, derived from the frequency rank of both members and their visual similarity.

impact is recorded at frequency rank #1,273, classified as anoun, pronounced /ˈɪmpækt/. intact is at rank #7,351, tagged as anadj, pronounced /ɪnˈtækt/.

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 8624, this pair ranks #501,565 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

impact#1,273
intact#7,351

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "impact" and "intact" be used interchangeably?
No, "impact" and "intact" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering impact vs intact

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “impact”; for an adjective, it's “intact”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “impact” 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 FrequencyWords open word-frequency list