seismic
/ˈsaɪzmɪk/
"seismic" is a 7-letter English headword indexed on PlainSpell.
The verdict
“seismic” has 10 generated spelling variants in the English index at frequency #14,211. The variants make it a useful spelling check.
- #14,211
- frequency rank, English
- 54,294
- “S” headwords
- 10
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Related to, or caused by an earthquake or other vibration of the Earth.
| Property | Value |
|---|---|
| Headword | seismic |
| Language | English |
| Part of speech | Adjective |
| IPA | /ˈsaɪzmɪk/ |
| Letters | 7 |
| Frequency rank | #14,211 |
| Misspellings tracked | 10 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “seismic” sits in English frequency
A misspelling magnet
The generator records 10 spelling variants around seismic (IPA /ˈsaɪzmɪk/), anadjective. Corpus frequency is #14,211 among 54,294 “S” headwords. Wiktionary lists 3 senses, so context still picks the gloss.
Our generated misspelling index lists 10 likely wrong-spelling variants for seismic, with forms such as "esismic", "seimsic", and "seisimc". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. We don't track a confusable pairing for this entry, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: Based on Ancient Greek σεισμός (seismós, “shaking, earthquake”) + -ic, equivalent to seismo- + -ic. The correct English form is seismic, spelled S-E-I-S-M-I-C.
Definition
- 1Related to, or caused by an earthquake or other vibration of the Earth.
- 2Subject to earthquakes.
- 3Of very large or widespread effect.
Etymology
Based on Ancient Greek σεισμός (seismós, “shaking, earthquake”) + -ic, equivalent to seismo- + -ic.
This word in other languages
Common misspellings
Also misspelled as:
- esismic
- seimsic
- seisimc
- seismci
- seismicc
- seismmic
- seissmic
- sesimic
- siesmic
- sseismic
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of seismic - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
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 “seismic”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-E-I-S-M-I-C - every other letter order is a misspelling in standard orthography.
- Say it as /ˈsaɪzmɪk/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Same frequency band
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.