Kaiser

/ˈkaɪzə(ɹ)/

//ˈkaɪzə(ɹ)// noun

"kaiser" is a 6-letter English headword indexed on PlainSpell.

The verdict

“Kaiser” is a moderately-common English word, ranked #14,151 in English word frequency and used as a noun.

#14,151
frequency rank, English
6
letters
8
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An emperor of a German-speaking country, particularly the Holy Roman Empire (962–1806), the Austrian Empire/Austria-Hungary (1806–1918), or the German Empire (1871–1918) — often specifically Wilhel...

Visual similarity to commonly confused words

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

Kaiser vs Kasey
67% similar
Kaiser vs kisser
50% similar
Kaiser vs Kaine
67% similar

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

Key facts for Kaiser
PropertyValue
HeadwordKaiser
LanguageEnglish
Part of speechNoun
IPA/ˈkaɪzə(ɹ)/
Letters6
Frequency rank#14,151
Misspellings tracked8
Confusable pairs3
SourceWiktionary (kaikki.org)

Where “Kaiser” 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). Kaiser 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 Kaiser is 6 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈkaɪzə(ɹ)/. Corpus data places it at rank #14,151 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 8 likely wrong-spelling variants for Kaiser, with forms such as "akiser", "kaiesr", and "kaiserr". 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 3 confusable-pair relationships, "Kasey", "kisser", "Kaine", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Inherited from Middle English kayser, from Old High German keisar (“emperor”), from Proto-West Germanic *kaisar, from Proto-Germanic *kaisaraz. The native Old English descendant of that Proto-Germanic word was cāser (“emperor”), but the shape of Middle Engl… The correct English form is Kaiser, spelled K-A-I-S-E-R.

Definition

  1. 1
    An emperor of a German-speaking country, particularly the Holy Roman Empire (962–1806), the Austrian Empire/Austria-Hungary (1806–1918), or the German Empire (1871–1918) — often specifically Wilhelm II.
  2. 2
    Any emperor or autocrat, or one who attempts to be one.
  3. 3
    A Kaiser roll: a round, pinwheel-shaped roll.

Etymology

Inherited from Middle English kayser, from Old High German keisar (“emperor”), from Proto-West Germanic *kaisar, from Proto-Germanic *kaisaraz. The native Old English descendant of that Proto-Germanic word was cāser (“emperor”), but the shape of Middle English kayser (“emperor”) (versus the expected *caser, *coser) suggests it was borrowed from another Germanic language rather than inherited, and the modern English spelling and sense seem to be modified after modern German rather than a direct continuation of Middle English. Compare tsar, which was borrowed from Slavic. Doublet of Caesar and tsar.

This word in other languages

Common misspellings

Also misspelled as: akiser,kaiesr,kaiserr,kaisre,kaisser,kasier,kiaser,kkaiser

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of Kaiser - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

akiser2kaiesr2kaiserr1kaisre2kaisser1kasier2kiaser2kkaiser1
Edit distance from "Kaiser"

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 "Kaiser"?
"Kaiser" is spelled K-A-I-S-E-R. The IPA pronunciation is /ˈkaɪzə(ɹ)/.
What does "Kaiser" mean?
As a noun, "Kaiser" means: An emperor of a German-speaking country, particularly the Holy Roman Empire (962–1806), the Austrian Empire/Austria-Hungary (1806–1918), or the German Empire (1871–1918) — often specifically Wilhel...
What words are commonly confused with "Kaiser"?
"Kaiser" is commonly confused with "Kasey", "kisser", "Kaine". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "Kaiser"?
The IPA (International Phonetic Alphabet) transcription for "Kaiser" is /ˈkaɪzə(ɹ)/. 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 "Kaiser"?
Inherited from Middle English kayser, from Old High German keisar (“emperor”), from Proto-West Germanic *kaisar, from Proto-Germanic *kaisaraz. The native Old English descendant of that Proto-Germanic word was cāser (“emperor”), but the shape of M... 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 “Kaiser”

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

  • The one correct English spelling is K-A-I-S-E-R - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈkaɪzə(ɹ)/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “Kasey” - see the side-by-side comparison. Kaiser vs Kasey
  • 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