Which to use
“altar” and “ATR” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,562
- “altar” frequency rank
- #46,320
- “ATR” frequency rank
- 55882
- confusion score
Side-by-Side Comparison
| Feature | altar | ATR |
|---|---|---|
| Definition | A table or similar flat-topped structure used for religious rites. | Initialism of advanced tongue root. |
Letter map: altar vs ATR
Shared letters muted; letters that set altar and ATR apart highlighted. Shared run: 3.
Spelling & dictionary notes on altar vs ATR
altar and ATR are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 55882, derived from the frequency rank of both members and their visual similarity.
altar is recorded at frequency rank #9,562, classified as anoun, pronounced /ˈɒl.tə/. ATR is at rank #46,320, tagged as anoun.
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 55882, this pair ranks #130,237 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of altar vs ATR
Shared letters: art. Private to "altar": l. Private to "ATR": -.
"altar" · 5 letters · shape VCCVC · "ATR" · 3 letters · shape VCC
Known mistypes of this pair
- altar ← alatr · alltar · altarr · altra · alttar · atlar · latar
Frequently Asked Questions
Is swapping "altar" for "ATR" ever safe?
Frequency check: "altar" vs "ATR" - which ranks higher?
After this comparison
Done with this confusable. These links stay specific to "altar" and "ATR".
- Full dictionary entry for "altar" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ATR" - compare definitions side by side with the headword page. Word entry
- This pair ranks #130,237 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "altar" and "ATR" also get mixed up with nearby pairs, the highest-scored neighbour is "Asta vs ATR". 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 #130,237 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.