seismicity
"seismicity" is a 10-letter English headword indexed on PlainSpell.
The verdict
“seismicity” is uncommon English (frequency #71,091 among 6,566 “S” headwords), classed as a noun. The kind of spelling people second-guess.
- #71,091
- frequency rank, English
- 6,566
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A measure or a degree of how seismic a region is or how prone it is to earthquakes.
Corpus desk
Index EN-seismicity · seismicity · English
seismicity · rank #71,091 · 0 variants · 0 confusables
- FREQ-RARE #71,091
- LEN-MEGA 10 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 6,566
- PHOTO-FINISH Scythian
Nearest frequency peer: Scythian (-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 “seismicity”
Sparse band: bars invert rank so rarer forms read shorter
- Schnabel
Schnabel
28,913 corpus weight
- Schreiner
Schreiner
28,912 corpus weight
- Scythian
Scythian
28,911 corpus weight
- seismicity
seismicity
28,910 corpus weight
- Sensex
Sensex
28,909 corpus weight
- señorita
señorita
28,907 corpus weight
What this shows Long-tail view: where “seismicity” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | seismicity |
| Language | English |
| Part of speech | Noun |
| Letters | 10 |
| Frequency rank | #71,091 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “seismicity” in English
Rare enough to double-check
seismicity is uncommon English at frequency #71,091 among 6,566 “S” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A measure or a degree of how seismic a region is or how prone it is to earthquakes.".
seismicity doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From seismic + -ity. The correct English form is seismicity, spelled S-E-I-S-M-I-C-I-T-Y.
Definition
- 1A measure or a degree of how seismic a region is or how prone it is to earthquakes.
Etymology
From seismic + -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
How do you spell "seismicity"?
What does "seismicity" mean?
What is the origin of the word "seismicity"?
Is PlainSpell free to use?
Similar English words by spelling shape
Same letter count and similar misspelling depth for "seismicity", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).