ILD
"ild" is a 3-letter English headword indexed on PlainSpell.
The verdict
“ILD” is uncommon English (frequency #93,822 among 2,140 “I” headwords), classed as a noun. The kind of spelling people second-guess.
- #93,822
- frequency rank, English
- 2,140
- “I” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of interstitial lung disease.
Corpus desk
Index EN-ild · ILD · English
ILD · rank #93,822 · 0 variants · 0 confusables
- FREQ-RARE #93,822
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,140
- PHOTO-FINISH immediatly
Nearest frequency peer: immediatly (+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 “ILD”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- Ibbotson
Ibbotson
6,183 corpus weight
- ILD
ILD
6,179 corpus weight
- immediatly
immediatly
6,178 corpus weight
- immunoassay
immunoassay
6,177 corpus weight
- immunogenic…
immunogenicity
6,176 corpus weight
- indicia
indicia
6,173 corpus weight
What this shows Bars show where “ILD” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | ILD |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Frequency rank | #93,822 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “ILD” sits in English frequency
Rare enough to double-check
ILD is uncommon English at frequency #93,822 among 2,140 “I” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Initialism of interstitial lung disease.".
No misspelling variants are generated for ILD in our index, since its letter pattern doesn't lend itself to common typo substitutions. It is not paired with a close-neighbour confusable in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.
No documented word history exists for this headword, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct English form is ILD, spelled I-L-D.
Definition
- 1Initialism of interstitial lung disease.
Recorded use
Wiktionary exampleThese source excerpts show how ILD appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Interstitial lung disease (ILD) refers to more than 200 chronic lung disorders, including pulmonary fibrosis.
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 September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "ILD", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).
What to do next
You've looked up "ILD". Here's where to go from here.
- Usage frequency rank #93,822 among English headwords in this corpus. Corpus statistics
- Browse more English words in the "I" letter cohort. I–Z browse
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PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.
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.