regicide

/ˈɹɛ.d͡ʒə.saɪd/

//ˈɹɛ.d͡ʒə.saɪd// noun

"regicide" is a 8-letter English headword indexed on PlainSpell.

The verdict

“regicide” is uncommon English (frequency #78,069 among 21,470 “R” headwords), classed as a noun. The kind of spelling people second-guess.

#78,069
frequency rank, English
21,470
“R” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The killing of a king.

Key facts for regicide
PropertyValue
Headwordregicide
LanguageEnglish
Part of speechNoun
IPA/ˈɹɛ.d͡ʒə.saɪd/
Letters8
Frequency rank#78,069
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “regicide” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). regicide lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

regicide is uncommon English at frequency #78,069 among 21,470 “R” headwords, classed as anoun, transcribed /ˈɹɛ.d͡ʒə.saɪd/. Rarity is why readers land here mid-draft. Gloss: "The killing of a king.".

We couldn't generate a plausible misspelling set for regicide, typically a sign the spelling maps closely to how the word sounds. No close-neighbour confusable shows up for this headword in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: Learned borrowing from Medieval Latin rēgicidium (“king-killing”) The correct English form is regicide, spelled R-E-G-I-C-I-D-E.

Definition

  1. 1
    The killing of a king.

Etymology

Learned borrowing from Medieval Latin rēgicidium (“king-killing”)

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 "regicide"?
"regicide" is spelled R-E-G-I-C-I-D-E. The IPA pronunciation is /ˈɹɛ.d͡ʒə.saɪd/.
What does "regicide" mean?
As a noun, "regicide" means: The killing of a king.
How do you pronounce "regicide"?
The IPA (International Phonetic Alphabet) transcription for "regicide" is /ˈɹɛ.d͡ʒə.saɪd/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "regicide"?
Learned borrowing from Medieval Latin rēgicidium (“king-killing”) 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.

Using “regicide”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is R-E-G-I-C-I-D-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈɹɛ.d͡ʒə.saɪd/ (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

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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list