fratricide

noun

"fratricide" is a 10-letter English headword indexed on PlainSpell.

The verdict

“fratricide” is uncommon English (frequency #98,135 among 2,507 “F” headwords), classed as a noun. The kind of spelling people second-guess.

#98,135
frequency rank, English
2,507
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The killing of one's brother (or sister).

Corpus desk

Index EN-fratricide · fratricide · English

fratricide · rank #98,135 · 0 variants · 0 confusables

  • FREQ-RARE #98,135
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH Fripp

Nearest frequency peer: Fripp (+3 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 “fratricide”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “fratricide” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for fratricide
PropertyValue
Headwordfratricide
LanguageEnglish
Part of speechNoun
Letters10
Frequency rank#98,135
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “fratricide” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).fratricidefalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “Fripp” (#98,138), “frivolously” (#98,139), “Forestville” (#98,129). Among 2,507 “F” headwords, “fratricide” is #98,135. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

fratricide is uncommon English at frequency #98,135 among 2,507 “F” headwords, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.

The misspelling generator found no plausible variants for fratricide, typically a sign the spelling maps closely to how the word sounds. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From Middle French fratricide or its etymon Latin frātricīdium. The correct English form is fratricide, spelled F-R-A-T-R-I-C-I-D-E.

Definition

  1. 1
    The killing of one's brother (or sister).
  2. 2
    The intentional or unintentional killing of a comrade in arms.
  3. 3
    The undesirable situation where the separate missiles from a MIRV interfere with each other as they explode.

Recorded use

Wiktionary examples

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

  1. The new accusation brought by Urban against Manfred of murdering his sister-in-law's embassador – it may be observed that, tacitly, he acquits him of parricide, fratricide, and nepoticide – requires a little explanation.
  2. Terms related to familicide include filicide (the killing of one's child or children), uxoricide (the killing of one's wife), fratricide or sororicide (the killing of one's brother or sister), avunculicide (the killing of one's uncle), and nepoticide (the killing of one's nephew).

Etymology

From Middle French fratricide or its etymon Latin frātricīdium.

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 "fratricide"?
"fratricide" is spelled F-R-A-T-R-I-C-I-D-E.
What does "fratricide" mean?
As a noun, "fratricide" means: The killing of one's brother (or sister).
What is the origin of the word "fratricide"?
From Middle French fratricide or its etymon Latin frātricīdium. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "fratricide", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list