endeavor

/ɪnˈdɛv.ə/

//ɪnˈdɛv.ə// noun

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

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

The verdict

“endeavor” has 11 generated spelling variants in the English index at frequency #13,710. The variants make it a useful spelling check.

#13,710
frequency rank, English
18,836
“E” headwords
11
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A sincere attempt; a determined or assiduous effort towards a specific goal; assiduous or persistent activity.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

endeavor vs endeavour
89% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for endeavor
PropertyValue
Headwordendeavor
LanguageEnglish
Part of speechNoun
IPA/ɪnˈdɛv.ə/
Letters8
Frequency rank#13,710
Misspellings tracked11
Confusable pairs1
SourceWiktionary (kaikki.org)

Where “endeavor” sits in English 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). endeavor lands here:

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

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

A misspelling magnet

The generator records 11 spelling variants around endeavor (IPA /ɪnˈdɛv.ə/), anoun. Corpus frequency is #13,710 among 18,836 “E” headwords. Dominant gloss: "A sincere attempt; a determined or assiduous effort towards a specific goal; assiduous or persistent activity.".

Our generated misspelling index lists 11 likely wrong-spelling variants for endeavor, with forms such as "edneavor", "endaevor", and "enddeavor". 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 also participates in 1 confusable-pair relationship, "endeavour", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: The verb is from Middle English endeveren (“to make an effort”); the noun is from Middle English endevour, from the verb. Endeveren is from (putten) in dever (“(to put oneself) in duty”), from in + dever (“duty”), partially translating Middle French (se met… The correct English form is endeavor, spelled E-N-D-E-A-V-O-R.

Definition

  1. 1
    A sincere attempt; a determined or assiduous effort towards a specific goal; assiduous or persistent activity.

Etymology

The verb is from Middle English endeveren (“to make an effort”); the noun is from Middle English endevour, from the verb. Endeveren is from (putten) in dever (“(to put oneself) in duty”), from in + dever (“duty”), partially translating Middle French (se mettre) en devoir (de faire) (“(to make it) one's duty (to do), to endeavour (to do)”) (from Old French devoir, deveir (“duty”)).

This word in other languages

tentativa(Español)effort(Français)Bemühung(Deutsch)tentativa(Português)

Common misspellings

Also misspelled as:

  • edneavor
  • endaevor
  • enddeavor
  • endeaovr
  • endeavorr
  • endeavro
  • endeavvor
  • endevaor
  • enedavor
  • enndeavor
  • nedeavor

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of endeavor - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

edneavor2endaevor2enddeavor1endeaovr2endeavorr1endeavro2endeavvor1endevaor2
Edit distance from "endeavor"

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 "endeavor"?
"endeavor" is spelled E-N-D-E-A-V-O-R. The IPA pronunciation is /ɪnˈdɛv.ə/.
What does "endeavor" mean?
As a noun, "endeavor" means: A sincere attempt; a determined or assiduous effort towards a specific goal; assiduous or persistent activity.
What words are commonly confused with "endeavor"?
"endeavor" is commonly confused with "endeavour". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "endeavor"?
The IPA (International Phonetic Alphabet) transcription for "endeavor" is /ɪnˈdɛv.ə/. 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 "endeavor"?
The verb is from Middle English endeveren (“to make an effort”); the noun is from Middle English endevour, from the verb. Endeveren is from (putten) in dever (“(to put oneself) in duty”), from in + dever (“duty”), partially translating Middle Fren... 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.

Using “endeavor”

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

  • The one correct English spelling is E-N-D-E-A-V-O-R - every other letter order is a misspelling in standard orthography.
  • Say it as /ɪnˈdɛv.ə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “endeavour” - see the side-by-side comparison. endeavor vs endeavour
  • Browse more English words and confusable pairs in the same reference. English words

Same frequency band

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