heptagon
/ˈhɛp.tə.ɡɒn/noun
heptagon is spelled H-E-P-T-A-G-O-N: 8 letters and 3 syllables. It appears about once in every 47 million words in written English, the 211,986th most frequent word form (wordfreq, 2021 data). As a noun, heptagon means “A polygon with seven sides and seven angles” (English Wiktionary, September 2026). The plural of heptagon is heptagons.
How many letters and syllables are in heptagon?
| Letters | 8: H-E-P-T-A-G-O-N |
|---|---|
| Syllables | 3 (from its pronunciation) |
| In writing | about once in every 47 million words; the 211,986th 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 heptagon?
Heptagon appears about once in every 47 million words in written English, the 211,986th 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 heptagon?
- US /ˈhɛp.tə.ɡɒn/
- UK /ˈhɛp.tə.ɡən/
Heptagon has 3 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-ca-heptagon.oga, Wikimedia Commons (author and licence on each file's page).
What rhymes with heptagon?
No other word on PlainSpell ends in the same sounds as heptagon (/ɛptəɡɒn/).
Spelled with the same letters in another order: pathogen.
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).
Forms of heptagon
- heptagons plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does heptagon mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A polygon with seven sides and seven angles.
Meronyms: angle, side; see also Thesaurus:polygon
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Heptagon in Spanish, French, German and Portuguese
In the sense polygon with seven sides and seven angles:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does heptagon come from?
Since 16th century, from Ancient Greek ἑπτάγωνον (heptágōnon), from ἑπτά (heptá, “seven”) + γωνία (gōnía, “angle”). By surface analysis, hepta- + -gon.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).