heliacal
/hɪˈlaɪ.ə.kəl/adjective
heliacal is spelled H-E-L-I-A-C-A-L: 8 letters and 4 syllables. It appears about once in every 44 million words in written English, the 204,233rd most frequent word form (wordfreq, 2021 data). As an adjective, heliacal means “Of or relating to the Sun, especially rising and setting with the sun” (English Wiktionary, September 2026).
How many letters and syllables are in heliacal?
| Letters | 8: H-E-L-I-A-C-A-L |
|---|---|
| Syllables | 4 (from its pronunciation) |
| In writing | about once in every 44 million words; the 204,233rd most frequent word form |
| Wrong spellings searched | none measured in search |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is heliacal?
Heliacal appears about once in every 44 million words in written English, the 204,233rd most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce heliacal?
- US /hɪˈlaɪ.ə.kəl/
Heliacal has 4 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What rhymes with heliacal?
No other word on PlainSpell ends in the same sounds as heliacal (/aɪəkəl/).
Spelled with the same letters in another order: achillea.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
What does heliacal mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
rareOf or relating to the Sun, especially rising and setting with the sun.
- 2
Of or relating to the rising of a star when it first becomes visible just before sunrise in the eastern sky, having previously been made invisible by sunlight, or the analogous situation of its setting just after sunset.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does heliacal come from?
From Ancient Greek ἡλιακός (hēliakós, “of the sun”) + -al. Appears in English first in the 16th century.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).