NRDC

name

"nrdc" is a 4-letter English headword indexed on PlainSpell.

The verdict

“NRDC” is uncommon English (frequency #80,713 among 1,534 “N” headwords), classed as a proper noun. The kind of spelling people second-guess.

#80,713
frequency rank, English
1,534
“N” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of National Research Development Corporation.

Corpus desk

Index EN-nrdc · NRDC · English

NRDC · rank #80,713 · 0 variants · 0 confusables

  • FREQ-RARE #80,713
  • LEN-MID 4 letters
  • VOW-0 0 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,534
  • PHOTO-FINISH NPN

Nearest frequency peer: NPN (-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 “NRDC”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for NRDC
PropertyValue
HeadwordNRDC
LanguageEnglish
Part of speechProper noun
Letters4
Frequency rank#80,713
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “NRDC” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).NRDCfalls 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: “NPN” (#80,712), “nuzzling” (#80,714), “nonparametric” (#80,711). Among 1,534 “N” headwords, “NRDC” is #80,713. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

NRDC is uncommon English at frequency #80,713 among 1,534 “N” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. 2 senses are on record.

Our edit-distance generator produced no likely misspellings for NRDC, a sign its spelling follows regular English conventions. No close-neighbour confusable shows up for this headword in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

This headword's origin isn't recorded in our source data, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is NRDC, spelled N-R-D-C.

Definition

  1. 1
    Initialism of National Research Development Corporation.
  2. 2
    Initialism of Natural Resources Defense Council.

Recorded use

Wiktionary example

These source excerpts show how NRDC appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Kennedy has leaned on his previous work with the NRDC and other environmental groups throughout his presidential campaign and has pledged to be the “best environmental president in American history.”

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 "NRDC"?
"NRDC" is spelled N-R-D-C.
What does "NRDC" mean?
As a proper noun, "NRDC" means: Initialism of National Research Development Corporation.
What language does "NRDC" come from?
"NRDC" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 "NRDC", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 4 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list