DNA

/ˌdiːɛnˈeɪ/

//ˌdiːɛnˈeɪ// noun

By · According to Wiktionary data (CC BY-SA) ·

"dna" is a 3-letter English headword indexed on PlainSpell.

The verdict

“DNA” sits in 20 confusable pairs (corpus #3,053) as a noun. The look-alike neighbours are the real trap.

#3,053
frequency rank, English
3,470
“D” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of deoxyribonucleic acid (“a nucleic acid found in all living things (and some non-living things such as certain viruses) which consists of two polynucleotide chains that coil around eac...

Corpus desk

Index EN-dna · DNA · English

DNA · rank #3,053 · 0 variants · 20 confusables

  • FREQ-COMMON #3,053
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH Davis

Nearest frequency peer: Davis (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Frequency neighbourhood for “DNA”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “DNA” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

DNA vs do
0% similar
DNA vs Dr
33% similar
DNA vs DS
33% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for DNA
PropertyValue
HeadwordDNA
LanguageEnglish
Part of speechNoun
IPA/ˌdiːɛnˈeɪ/
Letters3
Frequency rank#3,053
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “DNA” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).DNAlands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “Davis” (#3,052), “effectively” (#3,054), “criticism” (#3,051). Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for DNA is neighbouring look-alikes ("do", "Dr", …), not just typos; it is anoun pronounced /ˌdiːɛnˈeɪ/. Frequency #3,053 among 3,470 “D” headwords. 3 recorded senses keep meaning in play.

We couldn't generate a plausible misspelling set for DNA, a straightforward case of a spelling with little room for common typos. It also participates in 20 confusable-pair relationships, "do", "Dr", "DS", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: The noun is an initialism of deoxyribonucleic acid. The verb is derived from the noun. The correct English form is DNA, spelled D-N-A.

Definition

  1. 1
    Initialism of deoxyribonucleic acid (“a nucleic acid found in all living things (and some non-living things such as certain viruses) which consists of two polynucleotide chains that coil around each other to form a double helix; encoded in its structure are genetic instructions for development, functioning, growth, and reproduction”).
  2. 2
    The part of a living thing that carries genetic information.
  3. 3
    The fundamental nature or values of a person, or an organization or other thing, especially when considered as innate or immutable.

Recorded use

Wiktionary examples

These source excerpts show how DNA appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Among the various fractions isolated was one presumed to contain only desoxyribosenucleic acid (DNA). Because of certain speculations on the role of nucleic acids in protein synthesis it was necessary to measure and compare the rate of phosphate entry into DNA with that in other fractions of yeast phosphate.
  2. We wish to suggest a structure for the salt of deoxyribose nucleic acid (D.N.A.). This structure has novel features which are of considerable biological interest.

Etymology

The noun is an initialism of deoxyribonucleic acid. The verb is derived from the noun.

This word in other languages

ADN(Español)ADN(Français)DNS(Deutsch)

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "DNA"?
"DNA" is spelled D-N-A. The IPA pronunciation is /ˌdiːɛnˈeɪ/.
What does "DNA" mean?
As a noun, "DNA" means: Initialism of deoxyribonucleic acid (“a nucleic acid found in all living things (and some non-living things such as certain viruses) which consists of two polynucleotide chains that coil around eac...
What words are commonly confused with "DNA"?
"DNA" is commonly confused with "do", "Dr", "DS". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "DNA"?
The IPA (International Phonetic Alphabet) transcription for "DNA" is /ˌdiːɛnˈeɪ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "DNA"?
The noun is an initialism of deoxyribonucleic acid. The verb is derived from the noun. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "DNA", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

rid#3,022Tim#2,971tie#2,970Jan#2,949

What to do next

You've looked up "DNA". Here's where to go from here.

  • "DNA" maps to 20 confusable pairs in this vintage; the highest-scored is "do". View pair
  • Usage frequency rank #3,053 among English headwords in this corpus. Corpus statistics
  • Browse more English words in the "D" letter cohort. D–Z browse
  • PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list