custos

noun

The verdict

“custos” is uncommon French (frequency #97,833 among 257,141 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#97,833
frequency rank, French
257,141
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Sacristain.

Key facts for custos
PropertyValue
Headwordcustos
LanguageFrench
Part of speechNoun
Letters6
Frequency rank#97,833
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “custos” sits in French 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). custos lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

custos is uncommon French at frequency #97,833 among 257,141 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Sacristain.".

The misspelling generator found no plausible variants for custos, which points to an orthography that plays by predictable French rules. No close-neighbour confusable shows up for this headword in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

No borrowing history is documented for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct French form is custos, spelled C-U-S-T-O-S.

Definition

  1. 1
    Sacristain.

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

Frequently Asked Questions

How do you spell "custos"?
"custos" is spelled C-U-S-T-O-S.
What does "custos" mean?
As a noun, "custos" means: Sacristain.
What language does "custos" come from?
"custos" is a French 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 “custos”

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

  • The one correct French spelling is C-U-S-T-O-S - every other letter order is a misspelling in standard orthography.
  • Browse more French words and confusable pairs in the same reference. French words

Other uncommon French words near this rank

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