ejectionvserectionConfusable pair

Which to use

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

#26,406
“ejection” frequency rank
#14,525
“erection” frequency rank
40931
confusion score

Side-by-Side Comparison

Feature ejection erection
Definition The act of ejecting. The act of building or putting up or together of something.

Where the eye mixes ejection and erection

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

8 ch
ejection
8 ch
erection

Why the eye confuses ejection with erection

A purely visual mix-up. ejection (/əˈd͡ʒɛk.ʃən/) and erection (/ɪˈɹɛkʃən/) 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 a single letter - j in “ejection” becomes r in “erection”. Our composite confusion score for this pair is 40931, derived from the frequency rank of both members and their visual similarity.

ejection is recorded at frequency rank #26,406, classified as anoun, pronounced /əˈd͡ʒɛk.ʃən/. erection is at rank #14,525, tagged as anoun, pronounced /ɪˈɹɛkʃən/.

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 40931, this pair ranks #263,078 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ejection vs erection

Shared letters: ceinot. Private to "ejection": j. Private to "erection": r.

"ejection" · 8 letters · shape VCVCCVVC  ·  "erection" · 8 letters · shape VCVCCVVC

Known mistypes of this pair

  • ejectioneejction · ejcetion · ejecction · ejeciton · ejecsion · ejectino · ejectionn · ejectoin
  • erectioneerction · ercetion · erecction · ereciton · erecsion · erectino · erectionn · erectoin

Frequently Asked Questions

Do "ejection" and "erection" mean the same thing in a sentence?
No. They are said differently (/əˈd͡ʒɛk.ʃən/ versus /ɪˈɹɛkʃən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "ejection" or "erection"?
"erection" is the more common of the two: it sits at frequency rank #14,525 in our English list, against #26,406 for "ejection". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "ejection" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "erection" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #263,078 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ejection" and "erection" also get mixed up with nearby pairs, the highest-scored neighbour is "ejection vs exertion". 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 #263,078 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