Which to use
“rafter” and “raster” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #49,579
- “rafter” frequency rank
- #46,719
- “raster” frequency rank
- 96298
- confusion score
Side-by-Side Comparison
| Feature | rafter | raster |
|---|---|---|
| Definition | One of a series of sloped beams that extend from the ridge or hip to the downslope perimeter or eave, designed to support the roof deck and its associated loads. | 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 spellings diverge
Shared letters are muted; the letters that actually set rafter and raster apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
A purely visual mix-up. rafter (/ˈɹɑːftə(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 differ by a single letter - f in “rafter” becomes s in “raster”. Our composite confusion score for this pair is 96298, derived from the frequency rank of both members and their visual similarity.
rafter is recorded at frequency rank #49,579, classified as anoun, pronounced /ˈɹɑːftə(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 96298, this pair ranks #599 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of rafter vs raster
Shared letters: aert. Private to "rafter": f. Private to "raster": s.
"rafter" · 6 letters · shape CVCCVC · "raster" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "rafter" and "raster" be used interchangeably?
Which is more common, "rafter" or "raster"?
Remembering rafter vs raster
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “rafter” entry
- Browse more pairs most likely to be confused. Most confusable