Neptune

\nɛp.tyn\

/\nɛp.tyn\/ name

The verdict

“Neptune” is a moderately-common French word, ranked #19,920 in French word frequency and used as a proper noun.

#19,920
frequency rank, French
7
letters
10
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Dieu de la mer dans la mythologie romaine.

Key facts for Neptune
PropertyValue
HeadwordNeptune
LanguageFrench
Part of speechProper noun
IPA\nɛp.tyn\
Letters7
Frequency rank#19,920
Misspellings tracked10
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Neptune” sits in French frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). Neptune lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The French entry for Neptune is 7 letters long, classified as a proper noun, and transcribed in the International Phonetic Alphabet as \nɛp.tyn\. Corpus data places it at rank #19,920 in overall French word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 10 likely wrong-spelling variants for Neptune, with forms such as "enptune", "nepptune", and "neptnue". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Our source data has no etymology on file for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct French form is Neptune, spelled N-E-P-T-U-N-E.

Definition

  1. 1
    Dieu de la mer dans la mythologie romaine.
  2. 2
    La mer.

This word in other languages

Common misspellings

Also misspelled as: enptune,nepptune,neptnue,nepttune,neptuen,neptunne,neputne,netpune,nneptune,npetune

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of Neptune - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

enptune2nepptune1neptnue2nepttune1neptuen2neptunne1neputne2netpune2
Edit distance from "Neptune"

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 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Neptune"?
"Neptune" is spelled N-E-P-T-U-N-E. The IPA pronunciation is \nɛp.tyn\.
What does "Neptune" mean?
As a proper noun, "Neptune" means: Dieu de la mer dans la mythologie romaine.
What are common misspellings of "Neptune"?
Common misspellings include "enptune", "nepptune", "neptnue", "nepttune", "neptuen". The correct spelling is "Neptune".
How do you pronounce "Neptune"?
The IPA (International Phonetic Alphabet) transcription for "Neptune" is \nɛp.tyn\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Neptune" come from?
"Neptune" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

Using “Neptune”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct French spelling is N-E-P-T-U-N-E - every other letter order is a misspelling in standard orthography.
  • Say it as \nɛp.tyn\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more French words and confusable pairs in the same reference. French words
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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list