Heliopolis

/ˌhiːliˈɒpəlɪs/

//ˌhiːliˈɒpəlɪs// name

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

The verdict

“Heliopolis” is uncommon English (frequency #84,346 among 23,837 “H” headwords), classed as a proper noun. The kind of spelling people second-guess.

#84,346
frequency rank, English
23,837
“H” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The ancient capital of the 13th nome of Lower Egypt, located in the northern suburbs of modern Cairo, Egypt.

Corpus desk

Index EN-heliopolis · Heliopolis · English

Heliopolis · rank #84,346 · 0 variants · 0 confusables

  • FREQ-RARE #84,346
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 23,837
  • PHOTO-FINISH helly

Nearest frequency peer: helly (+2 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.

Frequency neighbourhood for “Heliopolis”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “Heliopolis” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of May 6, 2026
Key facts for Heliopolis
PropertyValue
HeadwordHeliopolis
LanguageEnglish
Part of speechProper noun
IPA/ˌhiːliˈɒpəlɪs/
Letters10
Frequency rank#84,346
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Heliopolis” 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). Heliopolis 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

Heliopolis is uncommon English at frequency #84,346 among 23,837 “H” headwords, classed as aproper noun, transcribed /ˌhiːliˈɒpəlɪs/. Rarity is why readers land here mid-draft. 4 senses are on record.

Heliopolis doesn't appear in our generated misspelling index, which points to an orthography that plays by predictable English rules. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: Borrowed from Latin Hēliopolis, from Ancient Greek Ἡλίου πόλις (Hēlíou pólis, “Sun City”), from the important solar cults of Ra and Baal. Doublet of Surajpur. The correct English form is Heliopolis, spelled H-E-L-I-O-P-O-L-I-S.

Definition

  1. 1
    The ancient capital of the 13th nome of Lower Egypt, located in the northern suburbs of modern Cairo, Egypt.
  2. 2
    An ancient city in modern Lebanon; modern Baalbek.
  3. 3
    A suburb of Cairo, Egypt.
  4. 4
    A suburb of Athens, Greece.

Etymology

Borrowed from Latin Hēliopolis, from Ancient Greek Ἡλίου πόλις (Hēlíou pólis, “Sun City”), from the important solar cults of Ra and Baal. Doublet of Surajpur.

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "Heliopolis"?
"Heliopolis" is spelled H-E-L-I-O-P-O-L-I-S. The IPA pronunciation is /ˌhiːliˈɒpəlɪs/.
What does "Heliopolis" mean?
As a proper noun, "Heliopolis" means: The ancient capital of the 13th nome of Lower Egypt, located in the northern suburbs of modern Cairo, Egypt.
How do you pronounce "Heliopolis"?
The IPA (International Phonetic Alphabet) transcription for "Heliopolis" is /ˌhiːliˈɒpəlɪs/. 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 "Heliopolis"?
Borrowed from Latin Hēliopolis, from Ancient Greek Ἡλίου πόλις (Hēlíou pólis, “Sun City”), from the important solar cults of Ra and Baal. Doublet of Surajpur. 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 "Heliopolis", not the corpus desk frequency band.

Same letter count

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