Pyxis

name

"pyxis" is a 5-letter English headword indexed on PlainSpell.

The verdict

“Pyxis” is outside the top-ranked English vocabulary, used as a proper noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
5
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A spring constellation of the southern sky, said to resemble the compass of a ship. It is associated with the larger Argo Navis, although it was never officially part of that constellation.

Key facts for Pyxis
PropertyValue
HeadwordPyxis
LanguageEnglish
Part of speechProper noun
Letters5
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Pyxis” sits in English frequency

Pyxis 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.

Spelling & Dictionary Insight

The English entry for Pyxis is 5 letters long, classified as a proper noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "A spring constellation of the southern sky, said to resemble the compass of a ship. It is associated with the larger Argo Navis, although it was never officially part of that constellation.".

The misspelling generator found no plausible variants for Pyxis, since its letter pattern doesn't lend itself to common typo substitutions. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: Named by the French astronomer Nicolas-Louis de Lacaille in 1763, and originally called Pyxis Nautica (“nautical compass”), from Latin pyxis (“little box”). The correct English form is Pyxis, spelled P-Y-X-I-S.

Definition

  1. 1
    A spring constellation of the southern sky, said to resemble the compass of a ship. It is associated with the larger Argo Navis, although it was never officially part of that constellation.

Etymology

Named by the French astronomer Nicolas-Louis de Lacaille in 1763, and originally called Pyxis Nautica (“nautical compass”), from Latin pyxis (“little box”).

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Pyxis"?
"Pyxis" is spelled P-Y-X-I-S.
What does "Pyxis" mean?
As a proper noun, "Pyxis" means: A spring constellation of the southern sky, said to resemble the compass of a ship. It is associated with the larger Argo Navis, although it was never officially part of that constellation.
What is the origin of the word "Pyxis"?
Named by the French astronomer Nicolas-Louis de Lacaille in 1763, and originally called Pyxis Nautica (“nautical compass”), from Latin pyxis (“little box”). 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 “Pyxis”

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

  • The one correct English spelling is P-Y-X-I-S - every other letter order is a misspelling in standard orthography.
  • 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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list