Which to use
“sedentary” and “sedimentary” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #24,303
- “sedentary” frequency rank
- #25,568
- “sedimentary” frequency rank
- 49871
- confusion score
Side-by-Side Comparison
| Feature | sedentary | sedimentary |
|---|---|---|
| Definition | Not moving; relatively still; staying in the vicinity. | Made by the deposition and compression of small particles. |
Where the eye mixes sedentary and sedimentary
Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. sedentary runs 9 letters (CVCVCCVCV) against sedimentary's 11 (CVCVCVCCVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between sedentary and sedimentary
A purely visual mix-up. sedentary (/ˈsɛd.ən.tɛɹ.i/) and sedimentary (/ˌsɛd.əˈmɛn.tə.ɹi/) 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 2 letter(s) in length. Our composite confusion score for this pair is 49871, derived from the frequency rank of both members and their visual similarity.
sedentary is recorded at frequency rank #24,303, classified as anadj, pronounced /ˈsɛd.ən.tɛɹ.i/. sedimentary is at rank #25,568, tagged as anadj, pronounced /ˌsɛd.əˈmɛn.tə.ɹi/.
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 49871, this pair ranks #179,508 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sedentary vs sedimentary
Shared letters: adenrsty. Private to "sedentary": -. Private to "sedimentary": im.
"sedentary" · 9 letters · shape CVCVCCVCV · "sedimentary" · 11 letters · shape CVCVCVCCVCV
Known mistypes of this pair
- sedentary ← esdentary · sdeentary · seddentary · sedenatry · sedenntary · sedentarry · sedentaryy · sedentayr
- sedimentary ← esdimentary · sdeimentary · seddimentary · sediemntary · sedimenatry · sedimenntary · sedimentarry · sedimentaryy
Frequently Asked Questions
Do "sedentary" and "sedimentary" mean the same thing in a sentence?
Which is more common, "sedentary" or "sedimentary"?
What to do next
Eye-level mix-up between "sedentary" and "sedimentary" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "sedentary" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sedimentary" - compare definitions side by side with the headword page. Word entry
- This pair ranks #179,508 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- 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 #179,508 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.