unerlässlich

[ˌʊnʔɛɐ̯ˈlɛslɪç]

/[ˌʊnʔɛɐ̯ˈlɛslɪç]/ adj

The verdict

“unerlässlich” has 18 generated spelling variants in the German index at frequency #17,438. The variants make it a useful spelling check.

#17,438
frequency rank, German
30,279
“U” headwords
18
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - so, dass auf etwas nicht verzichtet werden kann

Visual similarity to commonly confused words

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

unerlässlich vs unermesslich
83% similar

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

Key facts for unerlässlich
PropertyValue
Headwordunerlässlich
LanguageGerman
Part of speechAdjective
IPA[ˌʊnʔɛɐ̯ˈlɛslɪç]
Letters12
Frequency rank#17,438
Misspellings tracked18
Confusable pairs1
SourceWiktionary (kaikki.org)

Where “unerlässlich” sits in German 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). unerlässlich 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 18 spelling variants around unerlässlich (IPA [ˌʊnʔɛɐ̯ˈlɛslɪç]), anadjective. Corpus frequency is #17,438 among 30,279 “U” headwords. Dominant gloss: "so, dass auf etwas nicht verzichtet werden kann".

Our generated misspelling index lists 18 likely wrong-spelling variants for unerlässlich, with forms such as "nuerlässlich", "uenrlässlich", and "unelrässlich". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 1 confusable-pair relationship, "unermesslich", where similar look or sound leads writers to substitute one word for another in context.

Our source data has no etymology on file for this entry, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct German form is unerlässlich, spelled U-N-E-R-L-Ä-S-S-L-I-C-H.

Definition

  1. 1
    so, dass auf etwas nicht verzichtet werden kann

Synonyms

This word in other languages

Common misspellings

Also misspelled as:

  • nuerlässlich
  • uenrlässlich
  • unelrässlich
  • unerllässlich
  • unerlsäslich
  • unerläslich
  • unerläslsich
  • unerlässilch
  • unerlässlcih
  • unerlässlicch
  • unerlässlichh
  • unerlässlihc
  • unerlässllich
  • unerläßlich
  • unerrlässlich
  • unerälsslich
  • unnerlässlich
  • unrelässlich

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of unerlässlich - 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.

nuerlässlich2uenrlässlich2unelrässlich2unerllässlich1unerlsäslich2unerläslich1unerläslsich2unerlässilch2
Edit distance from "unerlässlich"

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

Frequently Asked Questions

How do you spell "unerlässlich"?
"unerlässlich" is spelled U-N-E-R-L-Ä-S-S-L-I-C-H. The IPA pronunciation is [ˌʊnʔɛɐ̯ˈlɛslɪç].
What does "unerlässlich" mean?
As an adjective, "unerlässlich" means: so, dass auf etwas nicht verzichtet werden kann
What words are commonly confused with "unerlässlich"?
"unerlässlich" is commonly confused with "unermesslich". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "unerlässlich"?
The IPA (International Phonetic Alphabet) transcription for "unerlässlich" is [ˌʊnʔɛɐ̯ˈlɛslɪç]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "unerlässlich" come from?
"unerlässlich" is a German 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 “unerlässlich”

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

  • The one correct German spelling is U-N-E-R-L-Ä-S-S-L-I-C-H - every other letter order is a misspelling in standard orthography.
  • Say it as [ˌʊnʔɛɐ̯ˈlɛslɪç] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “unermesslich” - see the side-by-side comparison. unerlässlich vs unermesslich
  • Browse more German words and confusable pairs in the same reference. German 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