fluoridation
"fluoridation" is a 12-letter English headword indexed on PlainSpell.
The verdict
“fluoridation” is uncommon English (frequency #58,031 among 18,613 “F” headwords), classed as a noun. The kind of spelling people second-guess.
- #58,031
- frequency rank, English
- 18,613
- “F” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The act or process of adding fluoride to something, especially water.
| Property | Value |
|---|---|
| Headword | fluoridation |
| Language | English |
| Part of speech | Noun |
| Letters | 12 |
| Frequency rank | #58,031 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “fluoridation” sits in English frequency
Rare enough to double-check
fluoridation is uncommon English at frequency #58,031 among 18,613 “F” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The act or process of adding fluoride to something, especially water.".
Zero misspellings are on record for fluoridation in our index, suggesting the orthography follows predictable English patterns. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From fluoride + -ation. The correct English form is fluoridation, spelled F-L-U-O-R-I-D-A-T-I-O-N.
Definition
- 1The act or process of adding fluoride to something, especially water.
Etymology
From fluoride + -ation.
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 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “fluoridation”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is F-L-U-O-R-I-D-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English 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.