Which to use
“alter” is a verb and “artery” is a noun - they look or sound alike but fill different roles in a sentence.
- #6,540
- “alter” frequency rank
- #12,006
- “artery” frequency rank
- 18546
- confusion score
Side-by-Side Comparison
| Feature | alter | artery |
|---|---|---|
| Definition | To change the form or structure of. | Any of the muscular- and elastic-walled blood vessels forming part of the circulation system by which blood is conveyed away from the heart regardless of its oxygenation status; see pulmonary artery. |
Where the eye mixes alter and artery
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. alter runs 5 letters (VCCVC) against artery's 6 (VCCVCV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses alter with artery
These two trip readers on the page rather than in the ear: alter is /ˈɒl.tə/ while artery is /ˈɑː.tə.ɹi/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 18546, derived from the frequency rank of both members and their visual similarity.
alter is recorded at frequency rank #6,540, classified as averb, pronounced /ˈɒl.tə/. artery is at rank #12,006, tagged as anoun, pronounced /ˈɑː.tə.ɹi/.
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 18546, this pair ranks #444,170 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of alter vs artery
Shared letters: aert. Private to "alter": l. Private to "artery": y.
"alter" · 5 letters · shape VCCVC · "artery" · 6 letters · shape VCCVCV
Known mistypes of this pair
Frequently Asked Questions
Can "alter" and "artery" be used interchangeably?
Which is more common, "alter" or "artery"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "alter" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "artery" - compare definitions side by side with the headword page. Word entry
- This pair ranks #444,170 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "alter" and "artery" also get mixed up with nearby pairs, the highest-scored neighbour is "alter vs althea". 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 #444,170 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.