NIAID
"niaid" is a 5-letter English headword indexed on PlainSpell.
The verdict
“NIAID” is uncommon English (frequency #94,049 among 1,534 “N” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #94,049
- frequency rank, English
- 1,534
- “N” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of National Institute of Allergy and Infectious Diseases.
Corpus desk
Index EN-niaid · NIAID · English
NIAID · rank #94,049 · 0 variants · 0 confusables
- FREQ-RARE #94,049
- LEN-MID 5 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 1,534
- PHOTO-FINISH Nickie
Nearest frequency peer: Nickie (+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 “NIAID”
Sparse band: bars invert rank so rarer forms read shorter
- neologism
neologism
5,960 corpus weight
- Nesmith
Nesmith
5,958 corpus weight
- neuropeptide
neuropeptide
5,955 corpus weight
- NIAID
NIAID
5,952 corpus weight
- Nickie
Nickie
5,951 corpus weight
- noncommutat…
noncommutative
5,946 corpus weight
What this shows Long-tail view: where “NIAID” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | NIAID |
| Language | English |
| Part of speech | Proper noun |
| Letters | 5 |
| Frequency rank | #94,049 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “NIAID” in English
Rare enough to double-check
NIAID is uncommon English at frequency #94,049 among 1,534 “N” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "Initialism of National Institute of Allergy and Infectious Diseases.".
NIAID doesn't appear in our generated misspelling index, which points to an orthography that plays by predictable English rules. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
This entry carries no recorded etymology, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is NIAID, spelled N-I-A-I-D.
Definition
- 1Initialism of National Institute of Allergy and Infectious Diseases.
Recorded use
Wiktionary exampleThese source excerpts show how NIAID appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The NIAID supports projects at universities and research organizations around the United States as well as a network of 21 NIAID labs across the country.
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "NIAID", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 5 letters (nearest by frequency rank).