permittivity
"permittivity" is a 12-letter English headword indexed on PlainSpell.
The verdict
“permittivity” is uncommon English (frequency #80,751 among 46,516 “P” headwords), classed as a noun. The kind of spelling people second-guess.
- #80,751
- frequency rank, English
- 46,516
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A property of a dielectric medium that determines the forces that electric charges placed in the medium exert on each other.
| Property | Value |
|---|---|
| Headword | permittivity |
| Language | English |
| Part of speech | Noun |
| Letters | 12 |
| Frequency rank | #80,751 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “permittivity” sits in English frequency
Rare enough to double-check
permittivity is uncommon English at frequency #80,751 among 46,516 “P” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A property of a dielectric medium that determines the forces that electric charges placed in the medium exert on each other.".
Zero misspellings are on record for permittivity in our index, suggesting the orthography follows predictable English patterns. 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 permittive + -ity. The correct English form is permittivity, spelled P-E-R-M-I-T-T-I-V-I-T-Y.
Definition
- 1A property of a dielectric medium that determines the forces that electric charges placed in the medium exert on each other.
Etymology
From permittive + -ity.
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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Using “permittivity”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is P-E-R-M-I-T-T-I-V-I-T-Y - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.