Which to use
“agar” and “ATR” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,103
- “agar” frequency rank
- #46,320
- “ATR” frequency rank
- 74423
- confusion score
Side-by-Side Comparison
| Feature | agar | ATR |
|---|---|---|
| Definition | A gelatinous substance obtained from red algae, especially Gracilaria species, used as a bacterial culture medium, in electrophoresis and as a food additive. | Initialism of advanced tongue root. |
Letter map: agar vs ATR
Shared letters muted; letters that set agar and ATR apart highlighted. Shared run: 2. agar runs 4 letters (VCVC) against ATR's 3 (VCC) - the length gap alone is often enough to separate them once you know to check it.
Spelling & dictionary notes on agar vs ATR
agar 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 1 letter(s) in length. Our composite confusion score for this pair is 74423, derived from the frequency rank of both members and their visual similarity.
agar is recorded at frequency rank #28,103, classified as anoun, pronounced /ˈeɪ.ɡə/. 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 74423, this pair ranks #36,385 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of agar vs ATR
Shared letters: ar. Private to "agar": g. Private to "ATR": t.
"agar" · 4 letters · shape VCVC · "ATR" · 3 letters · shape VCC
Known mistypes of this pair
- agar ← aagr · agarr · aggar · gaar
Frequently Asked Questions
Is swapping "agar" for "ATR" ever safe?
In ordinary English text, does "agar" or "ATR" show up more?
Useful next steps
You've compared "agar" and "ATR". Here's where to go from here.
- Full dictionary entry for "agar" 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 #36,385 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "agar" 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 #36,385 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.