diatomaceous
/ˌdaɪ.ə.təˈmeɪ.ʃəs/
"diatomaceous" is a 12-letter English headword indexed on PlainSpell.
The verdict
“diatomaceous” is uncommon English (frequency #76,713 among 3,470 “D” headwords), classed as an adjective. The kind of spelling people second-guess.
- #76,713
- frequency rank, English
- 3,470
- “D” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Of, pertaining to, or containing diatoms or their coverings.
Corpus desk
Index EN-diatomaceous · diatomaceous · English
diatomaceous · rank #76,713 · 0 variants · 0 confusables
- FREQ-RARE #76,713
- LEN-MEGA 12 letters
- VOW-7 7 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,470
- PHOTO-FINISH Dickensian
Nearest frequency peer: Dickensian (+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 “diatomaceous”
Sparse band: bars invert rank so rarer forms read shorter
- Devendra
Devendra
23,292 corpus weight
- DFO
DFO
23,291 corpus weight
- diatomaceous
diatomaceous
23,288 corpus weight
- Dickensian
Dickensian
23,287 corpus weight
- Dini
Dini
23,286 corpus weight
- discolor
discolor
23,283 corpus weight
What this shows Long-tail view: where “diatomaceous” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | diatomaceous |
| Language | English |
| Part of speech | Adjective |
| IPA | /ˌdaɪ.ə.təˈmeɪ.ʃəs/ |
| Letters | 12 |
| Frequency rank | #76,713 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “diatomaceous” in English
Rare enough to double-check
diatomaceous is uncommon English at frequency #76,713 among 3,470 “D” headwords, classed as anadjective, transcribed /ˌdaɪ.ə.təˈmeɪ.ʃəs/. Rarity is why readers land here mid-draft. Gloss: "Of, pertaining to, or containing diatoms or their coverings.".
The misspelling generator found no plausible variants for diatomaceous, typically a sign the spelling maps closely to how the word sounds. No close-neighbour confusable shows up for this headword in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From diatom + -aceous. The correct English form is diatomaceous, spelled D-I-A-T-O-M-A-C-E-O-U-S.
Definition
- 1Of, pertaining to, or containing diatoms or their coverings.
Etymology
From diatom + -aceous.
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 "diatomaceous", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 12 letters (nearest by frequency rank).