und

/ʌnd/

//ʌnd// noun

"und" is a 3-letter English headword indexed on PlainSpell.

The verdict

“und” is a regularly-used English word, ranked #7,867 in English word frequency and used as a noun.

#7,867
frequency rank, English
3
letters
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A wave.

Visual similarity to commonly confused words

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

und vs up
33% similar
und vs us
33% similar
und vs ur
33% similar

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

Key facts for und
PropertyValue
Headwordund
LanguageEnglish
Part of speechNoun
IPA/ʌnd/
Letters3
Frequency rank#7,867
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “und” 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). und 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 English entry for und is 3 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ʌnd/. Corpus data places it at rank #7,867 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

The misspelling generator found no plausible variants for und, typically a sign the spelling maps closely to how the word sounds. It also participates in 20 confusable-pair relationships, "up", "us", "ur", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle English unde (“a wave”), from either the Old French unde or Latin unda (“wave”). Doublet of water, ultimately from the same Indo-European root. The correct English form is und, spelled U-N-D.

Definition

  1. 1
    A wave.
  2. 2
    A billow- or wave-like marking.
  3. 3
    Nonstandard spelling of and, usually signifying a German accent, due to "und" meaning "and" in German..

Etymology

From Middle English unde (“a wave”), from either the Old French unde or Latin unda (“wave”). Doublet of water, ultimately from the same Indo-European root.

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 "und"?
"und" is spelled U-N-D. The IPA pronunciation is /ʌnd/.
What does "und" mean?
As a noun, "und" means: A wave.
What words are commonly confused with "und"?
"und" is commonly confused with "up", "us", "ur". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "und"?
The IPA (International Phonetic Alphabet) transcription for "und" is /ʌnd/. 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 "und"?
From Middle English unde (“a wave”), from either the Old French unde or Latin unda (“wave”). Doublet of water, ultimately from the same Indo-European root. 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 “und”

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

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