centum

/ˈkɛntəm/

//ˈkɛntəm// adj

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

The verdict

“centum” is uncommon English (frequency #96,845 among 5,599 “C” headwords), classed as an adjective. The kind of spelling people second-guess.

#96,845
frequency rank, English
5,599
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Referring to an Indo-European language that did not produce sibilants from a series of Proto-Indo-European palatovelar stops.

Corpus desk

Index EN-centum · centum · English

centum · rank #96,845 · 0 variants · 0 confusables

  • FREQ-RARE #96,845
  • LEN-LONG 6 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH Cephas

Nearest frequency peer: Cephas (+1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “centum”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “centum” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for centum
PropertyValue
Headwordcentum
LanguageEnglish
Part of speechAdjective
IPA/ˈkɛntəm/
Letters6
Frequency rank#96,845
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “centum” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).centumfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “Cephas” (#96,846), “Cerny” (#96,847), “Catford” (#96,841). Among 5,599 “C” headwords, “centum” is #96,845. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

centum is uncommon English at frequency #96,845 among 5,599 “C” headwords, classed as anadjective, transcribed /ˈkɛntəm/. Rarity is why readers land here mid-draft. Gloss: "Referring to an Indo-European language that did not produce sibilants from a series of Proto-Indo-European palatovelar stops.".

centum has no tracked misspelling variants, typically a sign the spelling maps closely to how the word sounds. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: Learned borrowing from Latin centum (“hundred”), attested at least since 1890s. Its use in linguistics is due to it being a canonical example of a word retaining an original velar stop, as opposed to Avestan 𐬯𐬀𐬙𐬆𐬨 (satəm). Doublet of hundred and satem. The correct English form is centum, spelled C-E-N-T-U-M.

Definition

  1. 1
    Referring to an Indo-European language that did not produce sibilants from a series of Proto-Indo-European palatovelar stops.

Recorded use

Wiktionary example

These source excerpts show how centum appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Table 10.1 shows the relative chronology of centum and satem entries to the west. Along each trajectory, centum languages precede satem languages, and the frontier languages, thos most clearly showing peripheral type shift, are centum.

Etymology

Learned borrowing from Latin centum (“hundred”), attested at least since 1890s. Its use in linguistics is due to it being a canonical example of a word retaining an original velar stop, as opposed to Avestan 𐬯𐬀𐬙𐬆𐬨 (satəm). Doublet of hundred and satem.

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 "centum"?
"centum" is spelled C-E-N-T-U-M. The IPA pronunciation is /ˈkɛntəm/.
What does "centum" mean?
As an adjective, "centum" means: Referring to an Indo-European language that did not produce sibilants from a series of Proto-Indo-European palatovelar stops.
How do you pronounce "centum"?
The IPA (International Phonetic Alphabet) transcription for "centum" is /ˈkɛntəm/. 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 "centum"?
Learned borrowing from Latin centum (“hundred”), attested at least since 1890s. Its use in linguistics is due to it being a canonical example of a word retaining an original velar stop, as opposed to Avestan 𐬯𐬀𐬙𐬆𐬨 (satəm). Doublet of hundred ... 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "centum", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list