naproxen

/nəˈpɹɒksən/

//nəˈpɹɒksən// noun

"naproxen" is a 8-letter English headword indexed on PlainSpell.

The verdict

“naproxen” is uncommon English (frequency #78,855 among 1,534 “N” headwords), classed as a noun. The kind of spelling people second-guess.

#78,855
frequency rank, English
1,534
“N” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A certain non-steroidal anti-inflammatory drug that inhibits the COX-1 and COX-2 enzymes and thereby reduces pain, fever, inflammation, and stiffness.

Corpus desk

Index EN-naproxen · naproxen · English

naproxen · rank #78,855 · 0 variants · 0 confusables

  • FREQ-RARE #78,855
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,534
  • PHOTO-FINISH nanotech

Nearest frequency peer: nanotech (-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 “naproxen”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for naproxen
PropertyValue
Headwordnaproxen
LanguageEnglish
Part of speechNoun
IPA/nəˈpɹɒksən/
Letters8
Frequency rank#78,855
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “naproxen” 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).naproxenfalls 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: “nanotech” (#78,854), “nametag” (#78,853), “Nawal” (#78,858). Among 1,534 “N” headwords, “naproxen” is #78,855. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

naproxen is uncommon English at frequency #78,855 among 1,534 “N” headwords, classed as anoun, transcribed /nəˈpɹɒksən/. Rarity is why readers land here mid-draft. Gloss: "A certain non-steroidal anti-inflammatory drug that inhibits the COX-1 and COX-2 enzymes and thereby reduces pain, fever, inflammation, and stiffness.".

No generated misspelling entries exist for naproxen in our index, which points to an orthography that plays by predictable English rules. This headword has no recorded confusable partner, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: Blend of naphthyl + propionic + oxy- + -en. The correct English form is naproxen, spelled N-A-P-R-O-X-E-N.

Definition

  1. 1
    A certain non-steroidal anti-inflammatory drug that inhibits the COX-1 and COX-2 enzymes and thereby reduces pain, fever, inflammation, and stiffness.

Recorded use

Wiktionary example

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

  1. These days, especially when she kept on top of taking her naproxen, the hurt in her joints and limbs merely teased.

Etymology

Blend of naphthyl + propionic + oxy- + -en.

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.

Frequently Asked Questions

How do you spell "naproxen"?
"naproxen" is spelled N-A-P-R-O-X-E-N. The IPA pronunciation is /nəˈpɹɒksən/.
What does "naproxen" mean?
As a noun, "naproxen" means: A certain non-steroidal anti-inflammatory drug that inhibits the COX-1 and COX-2 enzymes and thereby reduces pain, fever, inflammation, and stiffness.
How do you pronounce "naproxen"?
The IPA (International Phonetic Alphabet) transcription for "naproxen" is /nəˈpɹɒksən/. 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 "naproxen"?
Blend of naphthyl + propionic + oxy- + -en. 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 "naproxen", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list