occurvsoccursConfusable pair

Which to use

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

#3,187
“occur” frequency rank
#4,034
“occurs” frequency rank
7221
confusion score

Side-by-Side Comparison

Feature occur occurs
Definition To happen or take place. third-person singular simple present indicative of occur

Where the eye mixes occur and occurs

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. occur runs 5 letters (VCCVC) against occurs's 6 (VCCVCC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
occur
6 ch
occurs

Visual trap between occur and occurs

A purely visual mix-up. occur (/əˈkɜː/) and occurs (/əˈkɝz/) 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 extra letter(s) - “occur” sits inside “occurs”. Our composite confusion score for this pair is 7221, derived from the frequency rank of both members and their visual similarity.

occur is recorded at frequency rank #3,187, classified as averb, pronounced /əˈkɜː/. occurs is at rank #4,034, tagged as averb, pronounced /əˈkɝz/.

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 7221, this pair ranks #508,052 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of occur vs occurs

Shared letters: coru. Private to "occur": -. Private to "occurs": s.

"occur" · 5 letters · shape VCCVC  ·  "occurs" · 6 letters · shape VCCVCC

Known mistypes of this pair

  • occur ← cocur · occru · occurr · ocucr · ocur
  • occurs ← cocurs · occrus · occurrs · occurss · occusr · ocucrs · ocurs

Frequently Asked Questions

Can "occur" and "occurs" be used interchangeably?
No. They are said differently (/əˈkɜː/ versus /əˈkɝz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "occur" or "occurs" show up more?
"occur" is the more common of the two: it sits at frequency rank #3,187 in our English list, against #4,034 for "occurs". 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 "occur" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "occurs" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #508,052 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "occur" and "occurs" also get mixed up with nearby pairs, the highest-scored neighbour is "OCC vs occur". 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 #508,052 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