neoprene

/ˈniɵpɹin/

//ˈniɵpɹin// noun

By · According to Wiktionary data (CC BY-SA) ·

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

The verdict

“neoprene” is uncommon English (frequency #50,100 among 1,534 “N” headwords), classed as a noun. The kind of spelling people second-guess.

#50,100
frequency rank, English
1,534
“N” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A synthetic rubber, a polymer of chloroprene, commonly used in wetsuits, laptop sleeves, orthopedic braces, electrical insulation, liquid and sheet-applied elastomeric membranes and flashings, car ...

Corpus desk

Index EN-neoprene · neoprene · English

neoprene · rank #50,100 · 0 variants · 0 confusables

  • FREQ-RARE #50,100
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,534
  • PHOTO-FINISH neko

Nearest frequency peer: neko (-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 “neoprene”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for neoprene
PropertyValue
Headwordneoprene
LanguageEnglish
Part of speechNoun
IPA/ˈniɵpɹin/
Letters8
Frequency rank#50,100
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “neoprene” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).neoprenefalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “neko” (#50,099), “Negev” (#50,097), “Newham” (#50,103). Among 1,534 “N” headwords, “neoprene” is #50,100. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

neoprene is uncommon English at frequency #50,100 among 1,534 “N” headwords, classed as anoun, transcribed /ˈniɵpɹin/. Rarity is why readers land here mid-draft. Gloss: "A synthetic rubber, a polymer of chloroprene, commonly used in wetsuits, laptop sleeves, orthopedic braces, electrical insulation, liquid and sheet-applied elastomeric membranes and flashings, car ...".

Our edit-distance generator produced no likely misspellings for neoprene, and the word's spelling is regular enough that our generator found nothing worth flagging. We don't track a confusable pairing for this entry, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: US, 1930s; genericized trademark for DuPont brand of polychloroprene. neo- (“new”) + isoprene (dropping the iso-), the latter from terpene. Originally called duprene (blend of DuPont and isoprene); the “new” is because neoprene was the first mass-produced g… The correct English form is neoprene, spelled N-E-O-P-R-E-N-E.

Definition

  1. 1
    A synthetic rubber, a polymer of chloroprene, commonly used in wetsuits, laptop sleeves, orthopedic braces, electrical insulation, liquid and sheet-applied elastomeric membranes and flashings, car fan belts, etc.

Etymology

US, 1930s; genericized trademark for DuPont brand of polychloroprene. neo- (“new”) + isoprene (dropping the iso-), the latter from terpene. Originally called duprene (blend of DuPont and isoprene); the “new” is because neoprene was the first mass-produced general-purpose synthetic rubber.

This word in other languages

neopreno(Español)néoprène(Français)Neopren(Deutsch)

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 "neoprene"?
"neoprene" is spelled N-E-O-P-R-E-N-E. The IPA pronunciation is /ˈniɵpɹin/.
What does "neoprene" mean?
As a noun, "neoprene" means: A synthetic rubber, a polymer of chloroprene, commonly used in wetsuits, laptop sleeves, orthopedic braces, electrical insulation, liquid and sheet-applied elastomeric membranes and flashings, car ...
How do you pronounce "neoprene"?
The IPA (International Phonetic Alphabet) transcription for "neoprene" is /ˈniɵpɹin/. 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 "neoprene"?
US, 1930s; genericized trademark for DuPont brand of polychloroprene. neo- (“new”) + isoprene (dropping the iso-), the latter from terpene. Originally called duprene (blend of DuPont and isoprene); the “new” is because neoprene was the first mass-... 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 "neoprene", not the corpus desk frequency band.

Same letter count

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

Moravian#50,079outmoded#50,132mastodon#50,061passerby#50,141

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

Source: FrequencyWords open word-frequency list