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caster

/ˈkæstɚ/noun, verb

caster is spelled C-A-S-T-E-R: 6 letters and 2 syllables. It appears 1.3 times per million words in written English, the 25,367th most frequent word form (wordfreq, 2021 data). People search “caster vs castor” about 170 times a month (Google, United States). As a noun, caster means “Someone or something that casts” (English Wiktionary, September 2026). The plural of caster is casters.

How many letters and syllables are in caster?

Letters6: C-A-S-T-E-R
Syllables2 (from its American pronunciation)
In writing1.3 times per million words; the 25,367th most frequent word form
Wrong spellings searchednone measured in search
Pairs people search
Sounds like
Rhymes with
Same letters

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026); rhymes and same-letter words are computed by PlainSpell from its own word list.

How common is caster?

Caster appears 1.3 times per million words in written English, the 25,367th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce caster?

  • UK /ˈkɑːstə(ɹ)/
  • UK /ˈkæstə(ɹ)/
  • US /ˈkæstɚ/

Caster has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-caster.wav, Wikimedia Commons (author and licence on each file's page).

Words people confuse with caster

Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).

Sounds like: castor (Wiktionary's homophone list; some hold only in some accents).

Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).

What rhymes with caster?

9 words on PlainSpell end in the same sounds as caster from its last stressed vowel (/æstəɹ/):

Spelled with the same letters in another order: traces, recast.

Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).

Forms of caster

  • casters plural, present, singular, he/she/it
  • castor UK
  • castering participle, present
  • castered participle, past

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does caster mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    Someone or something that casts.

    a caster of spells

  2. 2

    A wheeled assembly attached to a larger object at its base to facilitate rolling. A caster usually consists of a wheel (which may be plastic, a hard elastomer, or metal), an axle, a mounting provision (usually a stem, flange, or plate), and sometimes a swivel (which allows the caster to rotate for steering).

    Many office chairs roll on a set of casters.

  3. 3

    A shaker with a perforated top for sprinkling condiments such as sugar, salt, pepper, etc.

    a set of casters

  4. 4

    A stand to hold a set of shakers or cruets.

  5. 5

    The angle of the axis around which a car's front wheels rotate when the steering wheel is turned, with a vertical axis being defined as zero caster.

verb

  1. 1

    To act as a caster (wheeled assembly).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Caster in Spanish, French, German and Portuguese

LanguageWords
Frenchroulette (wheeled assembly)
GermanRollfuß, Castor-Rad, Lenkrolle (wheeled assembly), Streuer (shaker with perforated top)
Portugueserodízio (wheeled assembly)
Spanishrueda, ruedita, ruedecita, rueda giratoria (wheeled assembly), salero, azucarera (shaker with perforated top)

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does caster come from?

From cast + -er; the wheel sense comes from obsolete cast (“to turn”).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after caster