Which to use
“concession” and “concussion” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #13,489
- “concession” frequency rank
- #13,689
- “concussion” frequency rank
- 27178
- confusion score
Side-by-Side Comparison
| Feature | concession | concussion |
|---|---|---|
| Definition | The act of conceding. | A violent collision or shock. |
Where the eye mixes concession and concussion
Muted = shared; highlighted = the visual trap. They share 9 letters in sequence.
Look-alike desk: concession vs concussion
A purely visual mix-up. concession (/kənˈsɛʃən/) and concussion (/kənˈkʌʃən/) 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 - e in “concession” becomes u in “concussion”. Our composite confusion score for this pair is 27178, derived from the frequency rank of both members and their visual similarity.
concession is recorded at frequency rank #13,489, classified as anoun, pronounced /kənˈsɛʃən/. concussion is at rank #13,689, tagged as anoun, pronounced /kənˈkʌʃən/.
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 27178, this pair ranks #380,975 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of concession vs concussion
Shared letters: cinos. Private to "concession": e. Private to "concussion": u.
"concession" · 10 letters · shape CVCCVCCVVC · "concussion" · 10 letters · shape CVCCVCCVVC
Known mistypes of this pair
- concession ← cconcession · cnocession · cocnession · conccession · concesion · concesison · concessino · concessionn
- concussion ← cconcussion · cnocussion · cocnussion · conccussion · concsusion · concusion · concusison · concussino
Frequently Asked Questions
Can "concession" and "concussion" be used interchangeably?
Frequency check: "concession" vs "concussion" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "concession" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "concussion" - compare definitions side by side with the headword page. Word entry
- This pair ranks #380,975 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "concession" and "concussion" also get mixed up with nearby pairs, the highest-scored neighbour is "concession vs congestion". 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 #380,975 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.