basileus

/ˌbæsɪˈleɪəs/

//ˌbæsɪˈleɪəs// noun

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

The verdict

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

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A title of the Byzantine emperor.

Corpus desk

Index EN-basileus · basileus · English

basileus · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "B" 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 basileus
PropertyValue
Headwordbasileus
LanguageEnglish
Part of speechNoun
IPA/ˌbæsɪˈleɪəs/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “basileus” in English

basileussits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

basileus is uncommon English outside the top frequency list, classed as anoun, transcribed /ˌbæsɪˈleɪəs/. Rarity is why readers land here mid-draft. Gloss: "A title of the Byzantine emperor.".

Zero misspellings are on record for basileus in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: Borrowed from Ancient Greek βασιλεύς (basileús, “chief, king”). The correct English form is basileus, spelled B-A-S-I-L-E-U-S.

Definition

  1. 1
    A title of the Byzantine emperor.

Recorded use

Wiktionary examples

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

  1. For two centuries its towers and domes were to rise in the heavens, drawing the attention of Emperors and Basilei, of Popes and Patriarchs.
  2. Although portrayals of basileis of the eleventh century wearing the loros in the traditional manner are not lacking, I cannot cite a Byzantine example of metropolitan origin later than 1100.

Etymology

Borrowed from Ancient Greek βασιλεύς (basileús, “chief, king”).

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 "basileus"?
"basileus" is spelled B-A-S-I-L-E-U-S. The IPA pronunciation is /ˌbæsɪˈleɪəs/.
What does "basileus" mean?
As a noun, "basileus" means: A title of the Byzantine emperor.
How do you pronounce "basileus"?
The IPA (International Phonetic Alphabet) transcription for "basileus" is /ˌbæsɪˈleɪəs/. 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 "basileus"?
Borrowed from Ancient Greek βασιλεύς (basileús, “chief, king”). 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