deionized
"deionized" is a 9-letter English headword indexed on PlainSpell.
The verdict
“deionized” is uncommon English (frequency #99,167 among 3,470 “D” headwords), classed as an adjective. The kind of spelling people second-guess.
- #99,167
- frequency rank, English
- 3,470
- “D” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - That has been prepared by deionization.
Corpus desk
Index EN-deionized · deionized · English
deionized · rank #99,167 · 0 variants · 0 confusables
- FREQ-RARE #99,167
- LEN-LONG 9 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,470
- PHOTO-FINISH debar
Nearest frequency peer: debar (-4 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 “deionized”
Sparse band: bars invert rank so rarer forms read shorter
- dampener
dampener
845 corpus weight
- Daoism
Daoism
842 corpus weight
- debar
debar
838 corpus weight
- deionized
deionized
834 corpus weight
- dentro
dentro
829 corpus weight
- destructible
destructible
826 corpus weight
What this shows Long-tail view: where “deionized” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | deionized |
| Language | English |
| Part of speech | Adjective |
| Letters | 9 |
| Frequency rank | #99,167 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “deionized” in English
Rare enough to double-check
deionized is uncommon English at frequency #99,167 among 3,470 “D” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "That has been prepared by deionization.".
We couldn't generate a plausible misspelling set for deionized, suggesting the orthography follows predictable English patterns. No close-neighbour confusable shows up for this headword in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From de- + ionized. The correct English form is deionized, spelled D-E-I-O-N-I-Z-E-D.
Definition
- 1That has been prepared by deionization.
Recorded use
Wiktionary examplesThese source excerpts show how deionized appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
He could taste the familiar tang of museum air—an arid, deionized essence that carried a faint hint of carbon—the product of industrial, coal-filter dehumidifiers that ran around the clock to counteract the corrosive carbon dioxide exhaled by visitors.
Cement pastes, with a water-to-cement ratio of 0.5, were prepared by (i) adding ordinary Portland cement (CEM I) to deionized water (control samples) or (ii) mixing CEM I with a lyophilized bacterial agent and then putting those dry ingredients into deionized water (bacteria samples).
Etymology
From de- + ionized.
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 "deionized", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).