anhydride
"anhydride" is a 9-letter English headword indexed on PlainSpell.
The verdict
“anhydride” is uncommon English (frequency #69,640 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.
- #69,640
- frequency rank, English
- 3,931
- “A” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any compound formally derived from another (or from others) by the loss of a water molecule, especially acid anhydrides.
Corpus desk
Index EN-anhydride · anhydride · English
anhydride · rank #69,640 · 0 variants · 0 confusables
- FREQ-RARE #69,640
- LEN-LONG 9 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,931
- PHOTO-FINISH andesite
Nearest frequency peer: andesite (-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 “anhydride”
Sparse band: bars invert rank so rarer forms read shorter
- ammonite
ammonite
30,364 corpus weight
- amoxicillin
amoxicillin
30,363 corpus weight
- andesite
andesite
30,362 corpus weight
- anhydride
anhydride
30,361 corpus weight
- annulus
annulus
30,360 corpus weight
- Antibes
Antibes
30,359 corpus weight
What this shows Long-tail view: where “anhydride” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | anhydride |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Frequency rank | #69,640 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “anhydride” in English
Rare enough to double-check
anhydride is uncommon English at frequency #69,640 among 3,931 “A” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Any compound formally derived from another (or from others) by the loss of a water molecule, especially acid anhydrides.".
Our edit-distance generator produced no likely misspellings for anhydride, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From an- + hydride. Compare anhydrous and -ide. The correct English form is anhydride, spelled A-N-H-Y-D-R-I-D-E.
Definition
- 1Any compound formally derived from another (or from others) by the loss of a water molecule, especially acid anhydrides.
Etymology
From an- + hydride. Compare anhydrous and -ide.
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 "anhydride", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).