hexad

Name: hexad, English Word Data
Creator: Wiktionary
License: https://creativecommons.org/licenses/by-sa/4.0/

/ˈhɛksæd/

//ˈhɛksæd// noun

By PlainSpell · According to Wiktionary data (CC BY-SA) · analyzed May 6, 2026

The verdict

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

Unranked
below top-frequency English: 5
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A group of six.

Key facts for hexad
Property	Value
Headword	hexad
Language	English
Part of speech	Noun
IPA	/ˈhɛksæd/
Letters	5
Misspellings tracked	0
Confusable pairs	0
Source	Wiktionary (kaikki.org)

Where “hexad” sits in English frequency

hexad falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

hexad is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈhɛksæd/. Rarity is why readers land here mid-draft. 2 senses are on record.

hexad doesn't appear in our generated misspelling 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, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From hex- + -ad. The correct English form is hexad, spelled H-E-X-A-D.

Definition

1
A group of six.
2
An element or radical with the combining power of six units, i.e. six atoms of hydrogen.

Etymology

From hex- + -ad.

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 "hexad"?

"hexad" is spelled H-E-X-A-D. The IPA pronunciation is /ˈhɛksæd/.

What does "hexad" mean?

As a noun, "hexad" means: A group of six.

How do you pronounce "hexad"?

The IPA (International Phonetic Alphabet) transcription for "hexad" is /ˈhɛksæd/. 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 "hexad"?

From hex- + -ad. 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 “hexad”

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

The one correct English spelling is H-E-X-A-D - every other letter order is a misspelling in standard orthography.
Say it as /ˈhɛksæd/ (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

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.