erectionvsexertionTell them apart

Which to use

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

#14,525
“erection” frequency rank
#32,800
“exertion” frequency rank
47325
confusion score

Side-by-Side Comparison

Feature erection exertion
Definition The act of building or putting up or together of something. An expenditure of physical or mental effort.

Where the eye mixes erection and exertion

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

8 ch
erection
8 ch
exertion

Why the eye confuses erection with exertion

A purely visual mix-up. erection (/ɪˈɹɛkʃən/) and exertion (/ɪɡˈzɝʃən/) 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 47325, derived from the frequency rank of both members and their visual similarity.

erection is recorded at frequency rank #14,525, classified as anoun, pronounced /ɪˈɹɛkʃən/. exertion is at rank #32,800, tagged as anoun, pronounced /ɪɡˈzɝʃən/.

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 47325, this pair ranks #203,474 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of erection vs exertion

Shared letters: einort. Private to "erection": c. Private to "exertion": x.

"erection" · 8 letters · shape VCVCCVVC  ·  "exertion" · 8 letters · shape VCVCCVVC

Known mistypes of this pair

  • erection ← eerction · ercetion · erecction · ereciton · erecsion · erectino · erectionn · erectoin
  • exertion ← eexrtion · exeriton · exerrtion · exersion · exertino · exertionn · exertoin · exerttion

Frequently Asked Questions

Do "erection" and "exertion" mean the same thing in a sentence?
No. They are said differently (/ɪˈɹɛkʃən/ versus /ɪɡˈzɝʃən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "erection" vs "exertion" - which ranks higher?
"erection" is the more common of the two: it sits at frequency rank #14,525 in our English list, against #32,800 for "exertion". 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 "erection" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "exertion" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #203,474 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "erection" and "exertion" also get mixed up with nearby pairs, the highest-scored neighbour is "Egerton 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 #203,474 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