copious

/ˈkoʊ.pi.əs/

//ˈkoʊ.pi.əs// adj

By · According to Wiktionary data (CC BY-SA) ·

"copious" is a 7-letter English headword indexed on PlainSpell.

The verdict

“copious” has 9 generated spelling variants in the English index at frequency #25,334. The variants make it a useful spelling check.

#25,334
frequency rank, English
5,599
“C” headwords
9
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Vast in quantity or number, profuse, abundant; taking place on a large scale.

Corpus desk

Index EN-copious · copious · English

copious · rank #25,334 · 9 variants · 2 confusables

  • FREQ-MID #25,334
  • LEN-LONG 7 letters
  • VOW-4 4 vowels
  • CONFUS-LOW 2 pairs
  • VAR-MID 9 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH convincingly

Nearest frequency peer: convincingly (-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.

Rank peers near misspelling magnet “copious”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “copious” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

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

copious vs curious
71% similar
copious vs copies
71% similar

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

Key facts for copious
PropertyValue
Headwordcopious
LanguageEnglish
Part of speechAdjective
IPA/ˈkoʊ.pi.əs/
Letters7
Frequency rank#25,334
Misspellings tracked9
Confusable pairs2
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “copious”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).copiouslands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “convincingly” (#25,333), “cordial” (#25,335), “constitutionally” (#25,332). Among 5,599 “C” headwords, “copious” is #25,334. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 9 spelling variants around copious (IPA /ˈkoʊ.pi.əs/), anadjective. Corpus frequency is #25,334 among 5,599 “C” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 9 likely wrong-spelling variants for copious, with forms such as "ccopious", "coipous", and "copiosu". 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 2 confusable-pair relationships, "curious", "copies", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle English copious, from Latin copiosus, from copia (“abundance”), equivalent to co- + ops (“wealth”) + -osus (“full of”). By surface analysis, copy + -ous. The correct English form is copious, spelled C-O-P-I-O-U-S.

Definition

  1. 1
    Vast in quantity or number, profuse, abundant; taking place on a large scale.
  2. 2
    Having an abundant supply.
  3. 3
    Full of thought, information, or matter; exuberant in words, expression, or style.

Recorded use

Wiktionary examples

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

  1. He drank a copious amount of vodka, and passed out.
  2. These loose hints I have thrown together, in order to excite the curiosity of philosophers, and beget a suspicion at least, if not a full persuasion, that this subject is very copious,

Etymology

From Middle English copious, from Latin copiosus, from copia (“abundance”), equivalent to co- + ops (“wealth”) + -osus (“full of”). By surface analysis, copy + -ous.

This word in other languages

copioso(Español)copieux(Français)reichlich(Deutsch)abundante(Português)

Common misspellings

Also misspelled as:

  • ccopious
  • coipous
  • copiosu
  • copiouss
  • copiuos
  • copoius
  • coppious
  • cpoious
  • ocpious

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of copious - 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.

ccopious1coipous2copiosu2copiouss1copiuos2copoius2coppious1cpoious2
Edit distance from "copious"

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 "copious"?
"copious" is spelled C-O-P-I-O-U-S. The IPA pronunciation is /ˈkoʊ.pi.əs/.
What does "copious" mean?
As an adjective, "copious" means: Vast in quantity or number, profuse, abundant; taking place on a large scale.
What words are commonly confused with "copious"?
"copious" is commonly confused with "curious", "copies". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "copious"?
The IPA (International Phonetic Alphabet) transcription for "copious" is /ˈkoʊ.pi.əs/. 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 "copious"?
From Middle English copious, from Latin copiosus, from copia (“abundance”), equivalent to co- + ops (“wealth”) + -osus (“full of”). By surface analysis, copy + -ous. 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 "copious", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

cordial#25,335conjure#25,331conical#25,330Clooney#25,323

Similar misspelling depth

Headwords with a similar count of attested misspellings (9 here; floor ≥5).

crypt9 variantsdispel9 variantscaster9 variantsDjango9 variants

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

Source: FrequencyWords open word-frequency list