Which to use
“DSA” is a noun and “dur” is an adjective - they look or sound alike but fill different roles in a sentence.
- #44,177
- “DSA” frequency rank
- #39,793
- “dur” frequency rank
- 83970
- confusion score
Side-by-Side Comparison
| Feature | DSA | dur |
|---|---|---|
| Definition | Initialism of donor-specific antibody. | Major; in the major mode. |
Letter map: DSA vs dur
Shared letters muted; letters that set DSA and dur apart highlighted. Shared run: 1. DSA (CCV) and dur (CVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Role in the sentence - DSA and dur
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: DSA is anoun and duranadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 83970, derived from the frequency rank of both members and their visual similarity.
DSA is recorded at frequency rank #44,177, classified as anoun. dur is at rank #39,793, tagged as anadj, pronounced /duːɹ/.
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 83970, this pair ranks #12,836 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of DSA vs dur
Shared letters: d. Private to "DSA": as. Private to "dur": ru.
"DSA" · 3 letters · shape CCV · "dur" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "DSA" for "dur" ever safe?
Frequency check: "DSA" vs "dur" - which ranks higher?
After this comparison
You've compared "DSA" and "dur". Here's where to go from here.
- Full dictionary entry for "DSA" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "dur" - compare definitions side by side with the headword page. Word entry
- This pair ranks #12,836 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "DSA" and "dur" also get mixed up with nearby pairs, the highest-scored neighbour is "dox vs DSA". Nearby pair
Confusion rank #12,836 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.