interactionvsintersectionTell them apart

Which to use

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

#4,387
“interaction” frequency rank
#8,560
“intersection” frequency rank
12947
confusion score

Side-by-Side Comparison

Feature interaction intersection
Definition 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. The junction of two (or more) paths, streets, highways, or other thoroughfares.

Where the eye mixes interaction and intersection

Muted = shared; highlighted = the visual trap. They share 10 letters in sequence.

11 ch
interaction
12 ch
intersection

Why the eye confuses interaction with intersection

A purely visual mix-up. interaction (/ˌɪn.təˈɹæk.ʃən/) and intersection (/ˈɪntəɹˌsɛkʃən/) 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 12947, derived from the frequency rank of both members and their visual similarity.

interaction is recorded at frequency rank #4,387, classified as anoun, pronounced /ˌɪn.təˈɹæk.ʃən/. intersection is at rank #8,560, tagged as anoun, pronounced /ˈɪntəɹˌsɛkʃən/.

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 12947, this pair ranks #478,605 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of interaction vs intersection

Shared letters: ceinort. Private to "interaction": a. Private to "intersection": s.

"interaction" · 11 letters · shape VCCVCVCCVVC  ·  "intersection" · 12 letters · shape VCCVCCVCCVVC

Known mistypes of this pair

  • interactioninetraction · innteraction · intearction · interacction · interaciton · interacsion · interactino · interactionn
  • intersectioninetrsection · inntersection · interesction · interrsection · interscetion · intersecction · interseciton · intersecsion

Frequently Asked Questions

Do "interaction" and "intersection" mean the same thing in a sentence?
No. They are said differently (/ˌɪn.təˈɹæk.ʃən/ versus /ˈɪntəɹˌsɛkʃən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "interaction" or "intersection" show up more?
"interaction" is the more common of the two: it sits at frequency rank #4,387 in our English list, against #8,560 for "intersection". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "interaction" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "intersection" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #478,605 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "interaction" and "intersection" also get mixed up with nearby pairs, the highest-scored neighbour is "interdiction vs intersection". 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 #478,605 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