Which to use
“raster” and “roadster” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #46,719
- “raster” frequency rank
- #35,492
- “roadster” frequency rank
- 82211
- confusion score
Side-by-Side Comparison
| Feature | raster | roadster |
|---|---|---|
| Definition | A scanning pattern of parallel lines that form the display of an image projected on a cathode-ray tube of a television set or display screen. | A horse for riding or driving on the road. |
Where the eye mixes raster and roadster
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. raster runs 6 letters (CVCCVC) against roadster's 8 (CVVCCCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between raster and roadster
A purely visual mix-up. raster (/ˈɹæstɚ/) and roadster (/ˈɹəʊdstə(ɹ)/) 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 82211, derived from the frequency rank of both members and their visual similarity.
raster is recorded at frequency rank #46,719, classified as anoun, pronounced /ˈɹæstɚ/. roadster is at rank #35,492, tagged as anoun, pronounced /ˈɹəʊdstə(ɹ)/.
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 82211, this pair ranks #16,161 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of raster vs roadster
Shared letters: aerst. Private to "raster": -. Private to "roadster": do.
"raster" · 6 letters · shape CVCCVC · "roadster" · 8 letters · shape CVVCCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "raster" for "roadster" ever safe?
Frequency check: "raster" vs "roadster" - 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 "raster" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "roadster" - compare definitions side by side with the headword page. Word entry
- This pair ranks #16,161 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "raster" and "roadster" also get mixed up with nearby pairs, the highest-scored neighbour is "rafter vs raster". 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 #16,161 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.