incisionvsinfusionConfusable pair

Which to use

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

#23,566
“incision” frequency rank
#19,869
“infusion” frequency rank
43435
confusion score

Side-by-Side Comparison

Feature incision infusion
Definition A cut, especially one made by a scalpel or similar medical tool in the context of surgical operation; the scar resulting from such a cut. A product consisting of a liquid which has had other ingredients steeped in it to extract useful qualities.

Where the eye mixes incision and infusion

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. incision and infusion follow the identical consonant-vowel pattern (VCCVCVVC). Same shape at a glance is often the real trap, independent of shared letters.

8 ch
incision
8 ch
infusion

Why the eye confuses incision with infusion

A purely visual mix-up. incision (/ɪnˈsɪʒən/) and infusion (/ɪnˈfjuːʒən/) 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 43435, derived from the frequency rank of both members and their visual similarity.

incision is recorded at frequency rank #23,566, classified as anoun, pronounced /ɪnˈsɪʒən/. infusion is at rank #19,869, tagged as anoun, pronounced /ɪnˈfjuːʒən/.

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 43435, this pair ranks #240,005 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of incision vs infusion

Shared letters: inos. Private to "incision": c. Private to "infusion": fu.

"incision" · 8 letters · shape VCCVCVVC  ·  "infusion" · 8 letters · shape VCCVCVVC

Known mistypes of this pair

  • incision ← icnision · inccision · inciison · incisino · incisionn · incisoin · incission · incition
  • infusion ← ifnusion · inffusion · infsuion · infuison · infusino · infusionn · infusoin · infussion

Frequently Asked Questions

Do "incision" and "infusion" mean the same thing in a sentence?
No. They are said differently (/ɪnˈsɪʒən/ versus /ɪnˈfjuːʒən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "incision" vs "infusion" - which ranks higher?
"infusion" is the more common of the two: it sits at frequency rank #19,869 in our English list, against #23,566 for "incision". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "incision" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "infusion" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #240,005 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "incision" and "infusion" also get mixed up with nearby pairs, the highest-scored neighbour is "incision vs incisive". 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 #240,005 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