impactvsimpalaWhat's the difference?

Which to use

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

#1,273
“impact” frequency rank
#26,831
“impala” frequency rank
28104
confusion score

Side-by-Side Comparison

Feature impact impala
Definition The striking of one body against another; collision. An African antelope, Aepyceros melampus, noted for its leaping ability; the male has ridged, curved horns.

Where the eye mixes impact and impala

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
impact
6 ch
impala

Why the eye confuses impact with impala

A purely visual mix-up. impact (/ˈɪmpækt/) and impala (/ɪmˈpɑːlə/) 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 28104, 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/. impala is at rank #26,831, tagged as anoun, pronounced /ɪmˈpɑːlə/.

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 28104, this pair ranks #373,712 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of impact vs impala

Shared letters: aimp. Private to "impact": ct. Private to "impala": l.

"impact" · 6 letters · shape VCCVCC  ·  "impala" · 6 letters · shape VCCVCV

Known mistypes of this pair

  • impactimapct · immpact · impacct · impactt · impatc · impcat · imppact · ipmact
  • impalaimapla · immpala · impaal · impalla · implaa · imppala · ipmala · mipala

Frequently Asked Questions

Is swapping "impact" for "impala" ever safe?
No. They are said differently (/ˈɪmpækt/ versus /ɪmˈpɑːlə/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "impact" vs "impala" - which ranks higher?
"impact" is the more common of the two: it sits at frequency rank #1,273 in our English list, against #26,831 for "impala". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "impact" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "impala" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #373,712 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "impact" and "impala" also get mixed up with nearby pairs, the highest-scored neighbour is "impala vs impaled". 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 #373,712 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