Ido

/ˈiː.dəʊ/

//ˈiː.dəʊ// name

"ido" is a 3-letter English headword indexed on PlainSpell.

The verdict

“Ido” is an uncommon English word, ranked #50,585 in English word frequency and used as a proper noun.

#50,585
frequency rank, English
3
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A constructed language; a reform of Esperanto and Idiom Neutral.

Key facts for Ido
PropertyValue
HeadwordIdo
LanguageEnglish
Part of speechProper noun
IPA/ˈiː.dəʊ/
Letters3
Frequency rank#50,585
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Ido” 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). Ido lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for Ido is 3 letters long, classified as a proper noun, and transcribed in the International Phonetic Alphabet as /ˈiː.dəʊ/. Corpus data places it at rank #50,585 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "A constructed language; a reform of Esperanto and Idiom Neutral.".

Zero misspellings are on record for Ido in our index, a sign its spelling follows regular English conventions. Our dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: Borrowing from Ido Ido. Began as a pseudonym, probably directly from Esperanto ido (“offspring”). The correct English form is Ido, spelled I-D-O.

Definition

  1. 1
    A constructed language; a reform of Esperanto and Idiom Neutral.

Etymology

Borrowing from Ido Ido. Began as a pseudonym, probably directly from Esperanto ido (“offspring”).

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); 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 "Ido"?
"Ido" is spelled I-D-O. The IPA pronunciation is /ˈiː.dəʊ/.
What does "Ido" mean?
As a proper noun, "Ido" means: A constructed language; a reform of Esperanto and Idiom Neutral.
How do you pronounce "Ido"?
The IPA (International Phonetic Alphabet) transcription for "Ido" is /ˈiː.dəʊ/. 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 "Ido"?
Borrowing from Ido Ido. Began as a pseudonym, probably directly from Esperanto ido (“offspring”). 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 “Ido”

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

  • The one correct English spelling is I-D-O - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈiː.dəʊ/ (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.

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

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