kostenloser

[ˈkɔstn̩loːzɐ]

/[ˈkɔstn̩loːzɐ]/ adj

The verdict

“kostenloser” is a moderately-common German word, ranked #13,881 in German word frequency and used as an adjective.

#13,881
frequency rank, German
11
letters
17
tracked misspellings
4
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Nominativ Singular Maskulinum der starken Deklination des Positivs des Adjektivs kostenlos

Visual similarity to commonly confused words

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

kostenloser vs kostenloses
91% similar
kostenloser vs kostenlos
82% similar
kostenloser vs kostenlose
91% similar

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

Key facts for kostenloser
PropertyValue
Headwordkostenloser
LanguageGerman
Part of speechAdjective
IPA[ˈkɔstn̩loːzɐ]
Letters11
Frequency rank#13,881
Misspellings tracked17
Confusable pairs4
SourceWiktionary (kaikki.org)

Where “kostenloser” 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). kostenloser 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 German entry for kostenloser is 11 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as [ˈkɔstn̩loːzɐ]. Corpus data places it at rank #13,881 in overall German word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 17 likely wrong-spelling variants for kostenloser, with forms such as "kkostenloser", "kosetnloser", and "kosstenloser". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 4 confusable-pair relationships, "kostenloses", "kostenlos", "kostenlose", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

No explicit etymology string is stored for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct German form is kostenloser, spelled K-O-S-T-E-N-L-O-S-E-R.

Definition

  1. 1
    Nominativ Singular Maskulinum der starken Deklination des Positivs des Adjektivs kostenlos
  2. 2
    Genitiv Singular Femininum der starken Deklination des Positivs des Adjektivs kostenlos
  3. 3
    Dativ Singular Femininum der starken Deklination des Positivs des Adjektivs kostenlos
  4. 4
    Genitiv Plural alle Genera der starken Deklination des Positivs des Adjektivs kostenlos
  5. 5
    Nominativ Singular Maskulinum der gemischten Deklination des Positivs des Adjektivs kostenlos

Common misspellings

Also misspelled as: kkostenloser,kosetnloser,kosstenloser,kostelnoser,kostenlloser,kostenloesr,kostenloserr,kostenlosre,kostenlosser,kostenlsoer,kostennloser,kostenolser,kostneloser,kosttenloser,kotsenloser,ksotenloser,okstenloser

Misspelling Pattern Breakdown

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

kkostenloser1kosetnloser2kosstenloser1kostelnoser2kostenlloser1kostenloesr2kostenloserr1kostenlosre2
Edit distance from "kostenloser"

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 "kostenloser"?
"kostenloser" is spelled K-O-S-T-E-N-L-O-S-E-R. The IPA pronunciation is [ˈkɔstn̩loːzɐ].
What does "kostenloser" mean?
As an adjective, "kostenloser" means: Nominativ Singular Maskulinum der starken Deklination des Positivs des Adjektivs kostenlos
What words are commonly confused with "kostenloser"?
"kostenloser" is commonly confused with "kostenloses", "kostenlos", "kostenlose". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "kostenloser"?
The IPA (International Phonetic Alphabet) transcription for "kostenloser" is [ˈkɔstn̩loːzɐ]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "kostenloser" come from?
"kostenloser" is a German word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 “kostenloser”

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

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