Protein
/pʀoteˈiːn/
The verdict
“Protein” is a moderately-common Portuguese word, ranked #41,195 in Portuguese word frequency and used as a noun.
- #41,195
- frequency rank, Portuguese
- 7
- letters
- 10
- tracked misspellings
- 2
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - proteína
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 | Protein |
| Language | Portuguese |
| Part of speech | Noun |
| IPA | /pʀoteˈiːn/ |
| Letters | 7 |
| Frequency rank | #41,195 |
| Misspellings tracked | 10 |
| Confusable pairs | 2 |
| Source | Wiktionary (kaikki.org) |
Where “Protein” sits in Portuguese frequency
Spelling & Dictionary Insight
The Portuguese entry for Protein is 7 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /pʀoteˈiːn/. Corpus data places it at rank #41,195 in overall Portuguese word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "proteína".
Our generated misspelling index lists 10 likely wrong-spelling variants for Protein, with forms such as "portein", "pprotein", and "proetin". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 2 confusable-pair relationships, "prótese", "protect", a pairing that trips writers up because the two words share enough sound or shape to blur together.
Our source data has no etymology on file for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Portuguese form is Protein, spelled P-R-O-T-E-I-N.
Definition
- 1proteína
Synonyms
Common misspellings
Also misspelled as: portein,pprotein,proetin,proteinn,proteni,protien,prottein,prrotein,prtoein,rpotein
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of Protein - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
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 Portuguese corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "Protein"?
What does "Protein" mean?
What words are commonly confused with "Protein"?
How do you pronounce "Protein"?
What language does "Protein" come from?
Is PlainSpell free to use?
Using “Protein”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Portuguese spelling is P-R-O-T-E-I-N - every other letter order is a misspelling in standard orthography.
- Say it as /pʀoteˈiːn/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “prótese” - see the side-by-side comparison. Protein vs prótese
- Browse more Portuguese words and confusable pairs in the same reference. Portuguese 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.