DNRvsdoorConfusable pair

Quick tell: DNR is a phrase, door is a noun, so they fill different roles in a sentence.

Which to use

“DNR” is a phrase and “door” is a noun - they look or sound alike but fill different roles in a sentence.

#38,813
“DNR” frequency rank
#869
“door” frequency rank
39682
confusion score

Side-by-Side Comparison

Feature DNR door
Definition Initialism of do not resuscitate, a legal document by which a patient may direct which medical procedures they do and do not wish to undergo in the case that they are incapacitated. A portal of entry into a building, room, or vehicle, typically consisting of a rigid plane movable on a hinge. It may have a handle to help open and close, a latch to hold it closed, and a lock that ensures it cannot be opened without a key.

Letter map: DNR vs door

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

3 ch
DNR
4 ch
door

Role in the sentence - DNR and door

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: DNR is aphrase and dooranoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 39682, derived from the frequency rank of both members and their visual similarity.

DNR is recorded at frequency rank #38,813, classified as aphrase. door is at rank #869, tagged as anoun, pronounced /do(ː)ɹ/.

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 39682, this pair ranks #274,480 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of DNR vs door

Shared letters: dr. Private to "DNR": n. Private to "door": o.

"DNR" · 3 letters · shape CCC  ·  "door" · 4 letters · shape CVVC

Known mistypes of this pair

  • door ← ddoor · doorr · doro

Frequently Asked Questions

Can "DNR" and "door" be used interchangeably?
No - they are not even the same part of speech. "DNR" is a phrase and "door" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "DNR" vs "door" - which ranks higher?
"door" is the more common of the two: it sits at frequency rank #869 in our English list, against #38,813 for "DNR". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Done with this confusable. These links stay specific to "DNR" and "door".

  • Full dictionary entry for "DNR" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "door" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #274,480 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "DNR" and "door" also get mixed up with nearby pairs, the highest-scored neighbour is "DNR 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 #274,480 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