DOAvsdumaWhich spelling fits?

Quick tell: DOA is a adjective, duma is a noun, so they fill different roles in a sentence.

Which to use

“DOA” is an adjective and “duma” is a noun - they look or sound alike but fill different roles in a sentence.

#38,814
“DOA” frequency rank
#30,013
“duma” frequency rank
68827
confusion score

Side-by-Side Comparison

Feature DOA duma
Definition Initialism of dead on arrival. A Russian legislative assembly such as the historical duma of the Russian Empire or the modern lower house of the Federal Assembly (the Russian national parliament).

Letter map: DOA vs duma

Shared letters muted; letters that set DOA and duma apart highlighted. Shared run: 2. DOA runs 3 letters (CVV) against duma's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
DOA
4 ch
duma

Part-of-speech tell for DOA / duma

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: DOA is anadjective and dumaanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 68827, derived from the frequency rank of both members and their visual similarity.

DOA is recorded at frequency rank #38,814, classified as anadj. duma is at rank #30,013, tagged as anoun, pronounced /ˈdumə/.

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 68827, this pair ranks #57,151 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of DOA vs duma

Shared letters: ad. Private to "DOA": o. Private to "duma": mu.

"DOA" · 3 letters · shape CVV  ·  "duma" · 4 letters · shape CVCV

Known mistypes of this pair

  • duma ← dduma · dmua · duam · dumma · udma

Frequently Asked Questions

Is swapping "DOA" for "duma" ever safe?
No - they are not even the same part of speech. "DOA" is an adjective and "duma" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "DOA" or "duma"?
"duma" is the more common of the two: it sits at frequency rank #30,013 in our English list, against #38,814 for "DOA". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "DOA" vs "duma" is on the table, pick a follow-up below.

  • Full dictionary entry for "DOA" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "duma" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #57,151 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "DOA" and "duma" also get mixed up with nearby pairs, the highest-scored neighbour is "DOA vs dox". 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 #57,151 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list