sérum
The verdict
“sérum” is outside the top-ranked Portuguese vocabulary, used as a noun - the kind of word writers most often double-check.
- Unranked
- below top-frequency Portuguese
- 5
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - produto cosmético
| Property | Value |
|---|---|
| Headword | sérum |
| Language | Portuguese |
| Part of speech | Noun |
| Letters | 5 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “sérum” sits in Portuguese frequency
Spelling & Dictionary Insight
The Portuguese entry for sérum is 5 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "produto cosmético".
sérum has no tracked misspelling variants, a sign its spelling follows regular Portuguese conventions. Our dataset records no confusable match here, a sign it's visually distinctive enough not to be mixed up with another word.
No explicit etymology string is stored for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct Portuguese form is sérum, spelled S-É-R-U-M.
Definition
- 1produto cosmético
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.
Frequently Asked Questions
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Using “sérum”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Portuguese spelling is S-É-R-U-M - every other letter order is a misspelling in standard orthography.
- 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.