caseína
[kaseˈina]
The verdict
“caseína” is uncommon Spanish (frequency #89,658 among 77,812 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #89,658
- frequency rank, Spanish
- 77,812
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Fosfoproteína (un tipo de heteroproteína) presente en la leche y en algunos de sus derivados.
| Property | Value |
|---|---|
| Headword | caseína |
| Language | Spanish |
| Part of speech | Noun |
| IPA | [kaseˈina] |
| Letters | 7 |
| Frequency rank | #89,658 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “caseína” sits in Spanish frequency
Rare enough to double-check
caseína is uncommon Spanish at frequency #89,658 among 77,812 “C” headwords, classed as anoun, transcribed [kaseˈina]. Rarity is why readers land here mid-draft. Gloss: "Fosfoproteína (un tipo de heteroproteína) presente en la leche y en algunos de sus derivados.".
Zero misspellings are on record for caseína in our index, suggesting the orthography follows predictable Spanish patterns. No close-neighbour confusable shows up for this headword in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.
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 caseína, spelled C-A-S-E-Í-N-A.
Definition
- 1Fosfoproteína (un tipo de heteroproteína) presente en la leche y en algunos de sus derivados.
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 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “caseína”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Spanish spelling is C-A-S-E-Í-N-A - every other letter order is a misspelling in standard orthography.
- Say it as [kaseˈina] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more Spanish words and confusable pairs in the same reference. Spanish words
Other uncommon Spanish words near this rank
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.