raiservsrasterTell them apart

Which to use

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

#31,304
“raiser” frequency rank
#46,719
“raster” frequency rank
78023
confusion score

Side-by-Side Comparison

Feature raiser raster
Definition A person or thing that raises. 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.

Where the eye mixes raiser and raster

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
raiser
6 ch
raster

Why the eye confuses raiser with raster

A purely visual mix-up. raiser (/ˈɹeɪzə(ɹ)/) and raster (/ˈɹæstɚ/) 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 78023, derived from the frequency rank of both members and their visual similarity.

raiser is recorded at frequency rank #31,304, classified as anoun, pronounced /ˈɹeɪzə(ɹ)/. raster is at rank #46,719, tagged as anoun, pronounced /ˈɹæstɚ/.

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 78023, this pair ranks #25,690 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of raiser vs raster

Shared letters: aers. Private to "raiser": i. Private to "raster": t.

"raiser" · 6 letters · shape CVVCVC  ·  "raster" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • raiserariser · raiesr · raiserr · raisre · raisser · rasier · riaser · rraiser
  • rasterarster · rasetr · rasster · rasterr · rastre · rastter · ratser · rraster

Frequently Asked Questions

Do "raiser" and "raster" mean the same thing in a sentence?
No. They are said differently (/ˈɹeɪzə(ɹ)/ versus /ˈɹæstɚ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "raiser" vs "raster" - which ranks higher?
"raiser" is the more common of the two: it sits at frequency rank #31,304 in our English list, against #46,719 for "raster". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "raiser" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "raster" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #25,690 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "raiser" and "raster" 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 #25,690 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