classify

/ˈklæs.ɪ.faɪ/

//ˈklæs.ɪ.faɪ// verb

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

"classify" is a 8-letter English headword indexed on PlainSpell.

The verdict

“classify” has 11 generated spelling variants in the English index at frequency #17,319. The variants make it a useful spelling check.

#17,319
frequency rank, English
5,599
“C” headwords
11
tracked misspellings
4
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - to identify by or divide into classes; to categorize

Corpus desk

Index EN-classify · classify · English

classify · rank #17,319 · 11 variants · 4 confusables

  • FREQ-MID #17,319
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-MID 4 pairs
  • VAR-MID 11 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH chloride

Nearest frequency peer: chloride (-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.

Frequency neighbourhood for “classify”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “classify” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

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).

classify vs classy
75% similar
classify vs classic
75% similar
classify vs clarify
75% similar

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

Key facts for classify
PropertyValue
Headwordclassify
LanguageEnglish
Part of speechVerb
IPA/ˈklæs.ɪ.faɪ/
Letters8
Frequency rank#17,319
Misspellings tracked11
Confusable pairs4
SourceWiktionary (kaikki.org)

Where “classify” sits in English frequency

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).classifylands here:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “chloride” (#17,318), “clinically” (#17,320), “checkpoint” (#17,317). Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 11 spelling variants around classify (IPA /ˈklæs.ɪ.faɪ/), averb. Corpus frequency is #17,319 among 5,599 “C” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 11 likely wrong-spelling variants for classify, with forms such as "calssify", "cclassify", and "clasify". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 4 confusable-pair relationships, "classy", "classic", "clarify", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From French classifier. By surface analysis, class + -ify. The correct English form is classify, spelled C-L-A-S-S-I-F-Y.

Definition

  1. 1
    to identify by or divide into classes; to categorize
  2. 2
    to declare something a secret, especially a government secret
  3. 3
    To make classy

Recorded use

Wiktionary examples

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

  1. Should we classify "make up" as an idiom or as a phrasal verb?
  2. They decided to classify that information.

Etymology

From French classifier. By surface analysis, class + -ify.

Synonyms

brandcastclasscategorizeclassifycompartmentalisedistributedivideestimateevaluategaugejudgelabelmeasureoverclassifypegpigeonholesortsubdividewinnow

Antonyms

declassify

This word in other languages

clasificar(Español)classifier(Français)einordnen(Deutsch)classificar(Português)

Common misspellings

Also misspelled as:

  • calssify
  • cclassify
  • clasify
  • clasisfy
  • classfiy
  • classiffy
  • classifyy
  • classiyf
  • cllassify
  • clsasify
  • lcassify

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of classify - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

calssify2cclassify1clasify1clasisfy2classfiy2classiffy1classifyy1classiyf2
Edit distance from "classify"

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 "classify"?
"classify" is spelled C-L-A-S-S-I-F-Y. The IPA pronunciation is /ˈklæs.ɪ.faɪ/.
What does "classify" mean?
As a verb, "classify" means: to identify by or divide into classes; to categorize
What words are commonly confused with "classify"?
"classify" is commonly confused with "classy", "classic", "clarify". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "classify"?
The IPA (International Phonetic Alphabet) transcription for "classify" is /ˈklæs.ɪ.faɪ/. 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 "classify"?
From French classifier. By surface analysis, class + -ify. 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 "classify", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

chloride#17,318Bethesda#17,303bestowed#17,302beauties#17,301

Similar misspelling depth

Headwords with a similar count of attested misspellings (11 here; floor ≥5).

Burnley11 variantsBritney11 variantsdazzling11 variantsBartlett11 variants

What to do next

You've looked up "classify". Here's where to go from here.

  • "classify" maps to 4 confusable pairs in this vintage; the highest-scored is "classy". View pair
  • 11 edit-distance misspelling variants are generated for spell-check research on this headword. See variants
  • Usage frequency rank #17,319 among English headwords in this corpus. Corpus statistics
  • Browse more English words in the "C" letter cohort. C–Z browse
  • PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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