infractionvsinteractionTell them apart

Which to use

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

#32,865
“infraction” frequency rank
#4,387
“interaction” frequency rank
37252
confusion score

Side-by-Side Comparison

Feature infraction interaction
Definition A minor offence, petty crime. The situation or occurrence in which two or more objects or events act upon one another to produce an effect; the effect resulting from such a situation or occurrence.

Where the eye mixes infraction and interaction

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence.

10 ch
infraction
11 ch
interaction

Why the eye confuses infraction with interaction

A purely visual mix-up. infraction (/ɪnˈfɹakʃən/) and interaction (/ˌɪn.təˈɹæk.ʃən/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 37252, derived from the frequency rank of both members and their visual similarity.

infraction is recorded at frequency rank #32,865, classified as anoun, pronounced /ɪnˈfɹakʃən/. interaction is at rank #4,387, tagged as anoun, pronounced /ˌɪn.təˈɹæk.ʃən/.

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 37252, this pair ranks #296,136 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of infraction vs interaction

Shared letters: acinort. Private to "infraction": f. Private to "interaction": e.

"infraction" · 10 letters · shape VCCCVCCVVC  ·  "interaction" · 11 letters · shape VCCVCVCCVVC

Known mistypes of this pair

  • infractionifnraction · inffraction · infracction · infraciton · infracsion · infractino · infractionn · infractoin
  • interactioninetraction · innteraction · intearction · interacction · interaciton · interacsion · interactino · interactionn

Frequently Asked Questions

Is swapping "infraction" for "interaction" ever safe?
No. They are said differently (/ɪnˈfɹakʃən/ versus /ˌɪn.təˈɹæk.ʃən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "infraction" or "interaction" show up more?
"interaction" is the more common of the two: it sits at frequency rank #4,387 in our English list, against #32,865 for "infraction". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "infraction" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "interaction" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #296,136 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "infraction" and "interaction" also get mixed up with nearby pairs, the highest-scored neighbour is "infarction vs infraction". 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 #296,136 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