polychlorinated
"polychlorinated" is a 15-letter English headword indexed on PlainSpell.
The verdict
“polychlorinated” is uncommon English (frequency #96,365 among 4,417 “P” headwords), classed as an adjective. The kind of spelling people second-guess.
- #96,365
- frequency rank, English
- 4,417
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Having many hydrogen atoms replaced by chlorine.
Corpus desk
Index EN-polychlorinated · polychlorinated · English
polychlorinated · rank #96,365 · 0 variants · 0 confusables
- FREQ-RARE #96,365
- LEN-MEGA 15 letters
- VOW-6 6 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,417
- PHOTO-FINISH polyclinic
Nearest frequency peer: polyclinic (+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.
Frequency neighbourhood for “polychlorinated”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- playgirl
playgirl
3,640 corpus weight
- Plumstead
Plumstead
3,639 corpus weight
- polychlorin…
polychlorinated
3,636 corpus weight
- polyclinic
polyclinic
3,635 corpus weight
- polygyny
polygyny
3,634 corpus weight
- Popescu
Popescu
3,632 corpus weight
What this shows Bars show where “polychlorinated” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | polychlorinated |
| Language | English |
| Part of speech | Adjective |
| Letters | 15 |
| Frequency rank | #96,365 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “polychlorinated” sits in English frequency
Rare enough to double-check
polychlorinated is uncommon English at frequency #96,365 among 4,417 “P” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Having many hydrogen atoms replaced by chlorine.".
Zero misspellings are on record for polychlorinated in our index, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From poly- + chlorinated. The correct English form is polychlorinated, spelled P-O-L-Y-C-H-L-O-R-I-N-A-T-E-D.
Definition
- 1Having many hydrogen atoms replaced by chlorine.
Recorded use
Wiktionary exampleThese source excerpts show how polychlorinated appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Another environmental factor thought to be affecting some coastal birds, although comparatively little is yet known about its extent or origin, is the presence of marine pollutants such as polychlorinated biphenyls (PCBs) and toxic heavy metals.
Etymology
From poly- + chlorinated.
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "polychlorinated", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 15 letters (nearest by frequency rank).
What to do next
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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.