IDP

noun

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

The verdict

“IDP” is uncommon English (frequency #54,246 among 17,902 “I” headwords), classed as a noun. The kind of spelling people second-guess.

#54,246
frequency rank, English
17,902
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Initialism of internally displaced person.

Corpus desk

Index EN-idp · IDP · English

IDP · rank #54,246 · 0 variants · 0 confusables

  • FREQ-RARE #54,246
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 17,902
  • PHOTO-FINISH idolize

Nearest frequency peer: idolize (-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.

Frequency neighbourhood for “IDP”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “IDP” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of May 6, 2026
Key facts for IDP
PropertyValue
HeadwordIDP
LanguageEnglish
Part of speechNoun
Letters3
Frequency rank#54,246
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “IDP” 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). IDP 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

IDP is uncommon English at frequency #54,246 among 17,902 “I” headwords, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.

No generated misspelling entries exist for IDP in our index, a sign its spelling follows regular English conventions. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

Wiktionary doesn't record an etymology for this headword, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is IDP, spelled I-D-P.

Definition

  1. 1
    Initialism of internally displaced person.
  2. 2
    Initialism of intrinsically disordered protein.
  3. 3
    Initialism of identity provider.

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "IDP"?
"IDP" is spelled I-D-P.
What does "IDP" mean?
As a noun, "IDP" means: Initialism of internally displaced person.
What language does "IDP" come from?
"IDP" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 "IDP", not the corpus desk frequency band.

Same letter count

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