ordo

noun

By · According to Wiktionary data (CC BY-SA) ·

"ordo" is a 4-letter English headword indexed on PlainSpell.

The verdict

“ordo” is uncommon English (frequency #60,327 among 15,494 “O” headwords), classed as a noun. The kind of spelling people second-guess.

#60,327
frequency rank, English
15,494
“O” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A musical phrase constructed from one or more statements of one modal pattern and ending in a rest.

Key facts for ordo
PropertyValue
Headwordordo
LanguageEnglish
Part of speechNoun
Letters4
Frequency rank#60,327
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “ordo” 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). ordo 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

ordo is uncommon English at frequency #60,327 among 15,494 “O” headwords, classed as anoun. Rarity is why readers land here mid-draft. 4 senses are on record.

No generated misspelling entries exist for ordo in our index, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: Borrowed from Latin ōrdō. Doublet of order. The correct English form is ordo, spelled O-R-D-O.

Definition

  1. 1
    A musical phrase constructed from one or more statements of one modal pattern and ending in a rest.
  2. 2
    A calendar which prescribes the Mass and office which is to be celebrated each day.
  3. 3
    A category in the classification of organisms, ranking below classis and above familia.
  4. 4
    an established civil body or corporation with a hierarchy

Etymology

Borrowed from Latin ōrdō. Doublet of order.

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.

Frequently Asked Questions

How do you spell "ordo"?
"ordo" is spelled O-R-D-O.
What does "ordo" mean?
As a noun, "ordo" means: A musical phrase constructed from one or more statements of one modal pattern and ending in a rest.
What is the origin of the word "ordo"?
Borrowed from Latin ōrdō. Doublet of order. 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 “ordo”

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

  • The one correct English spelling is O-R-D-O - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this 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 FrequencyWords open word-frequency list