Which to use
“dash” and “DOS” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #7,116
- “dash” frequency rank
- #11,370
- “DOS” frequency rank
- 18486
- confusion score
Side-by-Side Comparison
| Feature | dash | DOS |
|---|---|---|
| Definition | Any of the following symbols: ‒ (figure dash), – (en dash), — (em dash), or ― (horizontal bar). | Initialism of date of service. |
Where the eye mixes dash and DOS
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: dash vs DOS
A purely visual mix-up. dash (/dæʃ/) and DOS (/diː oː ˈɛs/) 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 letter(s) in length. Our composite confusion score for this pair is 18486, derived from the frequency rank of both members and their visual similarity.
dash is recorded at frequency rank #7,116, classified as anoun, pronounced /dæʃ/. DOS is at rank #11,370, tagged as anoun, pronounced /diː oː ˈɛs/.
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 18486, this pair ranks #444,596 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of dash vs DOS
Shared letters: ds. Private to "dash": ah. Private to "DOS": o.
"dash" · 4 letters · shape CVCC · "DOS" · 3 letters · shape CVC
Known mistypes of this pair
- dash ← adsh · dahs · dashh · dassh · ddash · dsah
Frequently Asked Questions
Is swapping "dash" for "DOS" ever safe?
Which is more common, "dash" or "DOS"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "dash" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "DOS" - compare definitions side by side with the headword page. Word entry
- This pair ranks #444,596 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "dash" and "DOS" also get mixed up with nearby pairs, the highest-scored neighbour is "DOS vs dox". 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 #444,596 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.