cisteína
[sist̪eˈina]
The verdict
“cisteína” is uncommon Spanish (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency Spanish
- 8
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Un aminoácido condicionalmente esencial que forma parte de la composición de las proteínas.
Corpus desk
Index ES-cisteina · cisteína · Spanish
cisteína · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 8 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "C" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | cisteína |
| Language | Spanish |
| Part of speech | Noun |
| IPA | [sist̪eˈina] |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “cisteína” sits in Spanish frequency
Rare enough to double-check
cisteína is uncommon Spanish outside the top frequency list, classed as anoun, transcribed [sist̪eˈina]. Rarity is why readers land here mid-draft. Gloss: "Un aminoácido condicionalmente esencial que forma parte de la composición de las proteínas.".
Our edit-distance generator produced no likely misspellings for cisteína, since its letter pattern doesn't lend itself to common typo substitutions. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
This entry's etymology isn't recorded, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct Spanish form is cisteína, spelled C-I-S-T-E-Í-N-A.
Definition
- 1Un aminoácido condicionalmente esencial que forma parte de la composición de las proteínas.
Synonyms
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). See the methodology for how each field is sourced and updated.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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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.