seismological
"seismological" is a 13-letter English headword indexed on PlainSpell.
The verdict
“seismological” is uncommon English (frequency #79,956 among 54,294 “S” headwords), classed as an adjective. The kind of spelling people second-guess.
- #79,956
- frequency rank, English
- 54,294
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Relating to seismology.
| Property | Value |
|---|---|
| Headword | seismological |
| Language | English |
| Part of speech | Adjective |
| Letters | 13 |
| Frequency rank | #79,956 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “seismological” sits in English frequency
Rare enough to double-check
seismological is uncommon English at frequency #79,956 among 54,294 “S” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Relating to seismology.".
seismological has no tracked misspelling variants, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From seismology + -ical. The correct English form is seismological, spelled S-E-I-S-M-O-L-O-G-I-C-A-L.
Definition
- 1Relating to seismology.
Etymology
From seismology + -ical.
Synonyms
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 “seismological”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-E-I-S-M-O-L-O-G-I-C-A-L - 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.