foreshock

noun

"foreshock" is a 9-letter English headword indexed on PlainSpell.

The verdict

“foreshock” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A small earth tremor which precedes the mainshock in an earthquake sequence.

Corpus desk

Index EN-foreshock · foreshock · English

foreshock · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "F" thin
  • PHOTO-UNK Peer pending

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.

Key facts for foreshock
PropertyValue
Headwordforeshock
LanguageEnglish
Part of speechNoun
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “foreshock” in English

foreshockfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

foreshock is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

Zero misspellings are on record for foreshock in our index, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From fore- + shock. The correct English form is foreshock, spelled F-O-R-E-S-H-O-C-K.

Definition

  1. 1
    A small earth tremor which precedes the mainshock in an earthquake sequence.
  2. 2
    Any shock or disturbance that precedes an event

Recorded use

Wiktionary example

These source excerpts show how foreshock appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. The FY 1981 increases in defense — something of a "foreshock" to the rapid rise in defense spending over the next several years — were prompted by the fall of the Shah in Iran and the Soviet invasion of Afghanistan.

Etymology

From fore- + shock.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "foreshock"?
"foreshock" is spelled F-O-R-E-S-H-O-C-K.
What does "foreshock" mean?
As a noun, "foreshock" means: A small earth tremor which precedes the mainshock in an earthquake sequence.
What is the origin of the word "foreshock"?
From fore- + shock. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list