Ido

/ˈiː.dəʊ/

//ˈiː.dəʊ// name

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

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

The verdict

“Ido” is uncommon English (frequency #50,585 among 2,140 “I” headwords), classed as a proper noun. The kind of spelling people second-guess.

#50,585
frequency rank, English
2,140
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A constructed language; a reform of Esperanto and Idiom Neutral.

Corpus desk

Index EN-ido · Ido · English

Ido · rank #50,585 · 0 variants · 0 confusables

  • FREQ-RARE #50,585
  • LEN-MID 3 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH ick

Nearest frequency peer: ick (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “Ido”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “Ido” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
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)

Long-tail rank of “Ido” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).Idofalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “ick” (#50,584), “hypnotize” (#50,583), “impresario” (#50,588). Among 2,140 “I” headwords, “Ido” is #50,585. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Ido is uncommon English at frequency #50,585 among 2,140 “I” headwords, classed as aproper noun, transcribed /ˈiː.dəʊ/. Rarity is why readers land here mid-draft. Gloss: "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

ido(Español)ido(Français)Ido(Deutsch)ido(Português)

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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "Ido", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

ick#50,584jio#50,614jut#50,619kea#50,625

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

Source: FrequencyWords open word-frequency list