sargassum
"sargassum" is a 9-letter English headword indexed on PlainSpell.
The verdict
“sargassum” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any of many brown algae of the genus Sargassum; gulfweed
| Property | Value |
|---|---|
| Headword | sargassum |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “sargassum” sits in English frequency
Rare enough to double-check
sargassum is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Any of many brown algae of the genus Sargassum; gulfweed".
We couldn't generate a plausible misspelling set for sargassum, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: Portuguese sargaço The correct English form is sargassum, spelled S-A-R-G-A-S-S-U-M.
Definition
- 1Any of many brown algae of the genus Sargassum; gulfweed
Etymology
Portuguese sargaço
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 “sargassum”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-A-R-G-A-S-S-U-M - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English 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.