rastervsrutterWhich spelling fits?

Which to use

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

#46,719
“raster” frequency rank
#47,313
“rutter” frequency rank
94032
confusion score

Side-by-Side Comparison

Feature raster rutter
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 horseman or cavalryman, especially a German one, associated with the wars of the 16th and 17th centuries.

Where the eye mixes raster and rutter

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
raster
6 ch
rutter

Why the eye confuses raster with rutter

A purely visual mix-up. raster (/ˈɹæstɚ/) and rutter (/ˈɹʌtə/) 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 94032, 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/. rutter is at rank #47,313, tagged as anoun, pronounced /ˈɹʌtə/.

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 94032, this pair ranks #1,569 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of raster vs rutter

Shared letters: ert. Private to "raster": as. Private to "rutter": u.

"raster" · 6 letters · shape CVCCVC  ·  "rutter" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • rasterarster · rasetr · rasster · rasterr · rastre · rastter · ratser · rraster
  • rutterrrutter · rtuter · ruter · rutetr · rutterr · ruttre · urtter

Frequently Asked Questions

Can "raster" and "rutter" be used interchangeably?
No. They are said differently (/ˈɹæstɚ/ versus /ˈɹʌtə/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "raster" or "rutter"?
"raster" is the more common of the two: it sits at frequency rank #46,719 in our English list, against #47,313 for "rutter". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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 "rutter" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,569 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "raster" and "rutter" also get mixed up with nearby pairs, the highest-scored neighbour is "rafter vs rutter". 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 #1,569 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