Costco

name

The verdict

“Costco” has 9 generated spelling variants in the French index at frequency #40,695. The variants make it a useful spelling check.

#40,695
frequency rank, French
257,141
“C” headwords
9
tracked misspellings
5
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Société de commerce de détail opérant une chaîne de distribution fonctionnant sur le principe de libre-service de gros avec adhésion.

Visual similarity to commonly confused words

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

Costco vs coco
50% similar
Costco vs cost
50% similar
Costco vs costa
50% similar

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

Key facts for Costco
PropertyValue
HeadwordCostco
LanguageFrench
Part of speechProper noun
Letters6
Frequency rank#40,695
Misspellings tracked9
Confusable pairs5
SourceWiktionary (kaikki.org)

Where “Costco” 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). Costco lands here:

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

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

A misspelling magnet

The generator records 9 spelling variants around Costco, aproper noun. Corpus frequency is #40,695 among 257,141 “C” headwords. Dominant gloss: "Société de commerce de détail opérant une chaîne de distribution fonctionnant sur le principe de libre-service de gros avec adhésion.".

Our generated misspelling index lists 9 likely wrong-spelling variants for Costco, with forms such as "ccostco", "coscto", and "cosstco". 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 5 confusable-pair relationships, "coco", "cost", "costa", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

This entry carries no recorded etymology, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct French form is Costco, spelled C-O-S-T-C-O.

Definition

  1. 1
    Société de commerce de détail opérant une chaîne de distribution fonctionnant sur le principe de libre-service de gros avec adhésion.

Common misspellings

Also misspelled as:

  • ccostco
  • coscto
  • cosstco
  • costcco
  • costoc
  • costtco
  • cotsco
  • csotco
  • ocstco

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of Costco - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

ccostco1coscto2cosstco1costcco1costoc2costtco1cotsco2csotco2
Edit distance from "Costco"

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 "Costco"?
"Costco" is spelled C-O-S-T-C-O.
What does "Costco" mean?
As a proper noun, "Costco" means: Société de commerce de détail opérant une chaîne de distribution fonctionnant sur le principe de libre-service de gros avec adhésion.
What words are commonly confused with "Costco"?
"Costco" is commonly confused with "coco", "cost", "costa". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "Costco" come from?
"Costco" is a French 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 “Costco”

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

  • The one correct French spelling is C-O-S-T-C-O - every other letter order is a misspelling in standard orthography.
  • Don't mix it up with “coco” - see the side-by-side comparison. Costco vs coco
  • Browse more French words and confusable pairs in the same reference. French words

Same frequency band

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