hydrofluoric
"hydrofluoric" is a 12-letter English headword indexed on PlainSpell.
The verdict
“hydrofluoric” is uncommon English (frequency #87,389 among 2,646 “H” headwords), classed as an adjective. The kind of spelling people second-guess.
- #87,389
- frequency rank, English
- 2,646
- “H” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Containing hydrogen and fluorine.
Corpus desk
Index EN-hydrofluoric · hydrofluoric · English
hydrofluoric · rank #87,389 · 0 variants · 0 confusables
- FREQ-RARE #87,389
- LEN-MEGA 12 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,646
- PHOTO-FINISH hygroscopic
Nearest frequency peer: hygroscopic (+1 rank slots)
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Long-tail ranks near “hydrofluoric”
Sparse band: bars invert rank so rarer forms read shorter
- Housley
Housley
12,620 corpus weight
- hox
hox
12,617 corpus weight
- hydrofluoric
hydrofluoric
12,612 corpus weight
- hygroscopic
hygroscopic
12,611 corpus weight
- hypoplasia
hypoplasia
12,610 corpus weight
- improver
improver
12,606 corpus weight
What this shows Long-tail view: where “hydrofluoric” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | hydrofluoric |
| Language | English |
| Part of speech | Adjective |
| Letters | 12 |
| Frequency rank | #87,389 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “hydrofluoric” in English
Rare enough to double-check
hydrofluoric is uncommon English at frequency #87,389 among 2,646 “H” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Containing hydrogen and fluorine.".
Zero misspellings are on record for hydrofluoric in our index, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From hydro- + fluoric. The correct English form is hydrofluoric, spelled H-Y-D-R-O-F-L-U-O-R-I-C.
Definition
- 1Containing hydrogen and fluorine.
Etymology
From hydro- + fluoric.
Synonyms
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); 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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "hydrofluoric", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 12 letters (nearest by frequency rank).