dopa

noun

"dopa" is a 4-letter English headword indexed on PlainSpell.

The verdict

“dopa” is uncommon English (frequency #78,542 among 3,470 “D” headwords), classed as a noun. The kind of spelling people second-guess.

#78,542
frequency rank, English
3,470
“D” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The amino acid dihydroxyphenylalanine that is generated in the liver from tyrosine and then converted into dopamine in the brain.

Corpus desk

Index EN-dopa · dopa · English

dopa · rank #78,542 · 0 variants · 0 confusables

  • FREQ-RARE #78,542
  • LEN-MID 4 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH doorstop

Nearest frequency peer: doorstop (-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.

Long-tail ranks near “dopa”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “dopa” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for dopa
PropertyValue
Headworddopa
LanguageEnglish
Part of speechNoun
Letters4
Frequency rank#78,542
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “dopa” in English

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

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “doorstop” (#78,541), “douce” (#78,543), “dooms” (#78,540). Among 3,470 “D” headwords, “dopa” is #78,542. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

dopa is uncommon English at frequency #78,542 among 3,470 “D” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The amino acid dihydroxyphenylalanine that is generated in the liver from tyrosine and then converted into dopamine in the brain.".

dopa has no tracked misspelling variants, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: Shortened from dihydroxyphenylalanine. The correct English form is dopa, spelled D-O-P-A.

Definition

  1. 1
    The amino acid dihydroxyphenylalanine that is generated in the liver from tyrosine and then converted into dopamine in the brain.

Etymology

Shortened from dihydroxyphenylalanine.

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 "dopa"?
"dopa" is spelled D-O-P-A.
What does "dopa" mean?
As a noun, "dopa" means: The amino acid dihydroxyphenylalanine that is generated in the liver from tyrosine and then converted into dopamine in the brain.
What is the origin of the word "dopa"?
Shortened from dihydroxyphenylalanine. 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 "dopa", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 4 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list