DNA
/ˌdiːɛnˈeɪ/
"dna" is a 3-letter English headword indexed on PlainSpell.
The verdict
“DNA” is a regularly-used English word, ranked #3,053 in English word frequency and used as a noun.
- #3,053
- frequency rank, English
- 3
- letters
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 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...
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | DNA |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌdiːɛnˈeɪ/ |
| Letters | 3 |
| Frequency rank | #3,053 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “DNA” sits in English frequency
Spelling & Dictionary Insight
The English entry for DNA is 3 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˌdiːɛnˈeɪ/. Corpus data places it at rank #3,053 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
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
- 1Initialism 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”).
- 2The part of a living thing that carries genetic information.
- 3The fundamental nature or values of a person, or an organization or other thing, especially when considered as innate or immutable.
Etymology
The noun is an initialism of deoxyribonucleic acid. The verb is derived from the noun.
This word in other languages
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
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Using “DNA”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is D-N-A - every other letter order is a misspelling in standard orthography.
- Say it as /ˌdiːɛnˈeɪ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “do” - see the side-by-side comparison. DNA vs do
- Browse more English words and confusable pairs in the same reference. English words
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.