application

/ˌæp.lᵻˈkeɪ.ʃən/

//ˌæp.lᵻˈkeɪ.ʃən// noun

"application" is a 11-letter English headword indexed on PlainSpell.

The verdict

“application” is a regularly-used English word, ranked #1,446 in English word frequency and used as a noun.

#1,446
frequency rank, English
11
letters
15
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The act of physically applying or laying on.

Visual similarity to commonly confused words

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

application vs applicator
82% similar
application vs applications
92% similar

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

Key facts for application
PropertyValue
Headwordapplication
LanguageEnglish
Part of speechNoun
IPA/ˌæp.lᵻˈkeɪ.ʃən/
Letters11
Frequency rank#1,446
Misspellings tracked15
Confusable pairs2
SourceWiktionary (kaikki.org)

Where “application” sits in English 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). application lands here:

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

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

Spelling & Dictionary Insight

The English entry for application is 11 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˌæp.lᵻˈkeɪ.ʃən/. Corpus data places it at rank #1,446 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 12 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 15 likely wrong-spelling variants for application, with forms such as "aplication", "aplpication", and "appilcation". 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, "applicator", "applications", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Etymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *pel- Proto-Indo-European *pleḱ-der. Latin plicō Latin applicō Proto-Indo-European *-tisder. Proto-Italic *-tjō Latin -tiō Latin applicātiōbor. Old Fre… The correct English form is application, spelled A-P-P-L-I-C-A-T-I-O-N.

Definition

  1. 1
    The act of physically applying or laying on.
  2. 2
    The substance applied.
  3. 3
    The act of applying as a means; the employment of means to accomplish an end; specific use.
  4. 4
    The act of directing or referring something to a particular case, to discover or illustrate agreement or disagreement, fitness, or correspondence.
  5. 5
    A computer program or the set of software that the end user perceives as a single entity as a tool for a well-defined purpose. (Also called: application program; application software.)
  6. 6
    A verbal or written request for assistance or employment or admission to a school, course or similar.
  7. 7
    A petition, entreaty, or other request, with the adposition for denoting the subject matter.
  8. 8
    The act of requesting, claiming, or petitioning something.
  9. 9
    Diligence; close thought or attention.
  10. 10
    A kind of needlework; appliqué.
  11. 11
    The substitution of a specific value for the parameter in the abstraction, in lambda calculus.
  12. 12
    Compliance.

Etymology

Etymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *pel- Proto-Indo-European *pleḱ-der. Latin plicō Latin applicō Proto-Indo-European *-tisder. Proto-Italic *-tjō Latin -tiō Latin applicātiōbor. Old French aplicacionbor. Middle English applicacioun English application From Late Middle English applicacioun, borrowed from Old French aplicacion (French application), from Latin applicātiōnem, accusative singular of applicātiō (“attachment; application, inclination”), from applicō (“join to, attach; apply”). Equivalent to apply + -ication.

Synonyms

This word in other languages

Common misspellings

Also misspelled as: aplication,aplpication,appilcation,applciation,appliaction,applicaiton,applicasion,applicatino,applicationn,applicatoin,applicattion,appliccation,applictaion,appllication,paplication

Misspelling Pattern Breakdown

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

aplication1aplpication2appilcation2applciation2appliaction2applicaiton2applicasion1applicatino2
Edit distance from "application"

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 "application"?
"application" is spelled A-P-P-L-I-C-A-T-I-O-N. The IPA pronunciation is /ˌæp.lᵻˈkeɪ.ʃən/.
What does "application" mean?
As a noun, "application" means: The act of physically applying or laying on.
What words are commonly confused with "application"?
"application" is commonly confused with "applicator", "applications". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "application"?
The IPA (International Phonetic Alphabet) transcription for "application" is /ˌæp.lᵻˈkeɪ.ʃən/. 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 "application"?
Etymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *pel- Proto-Indo-European *pleḱ-der. Latin plicō Latin applicō Proto-Indo-European *-tisder. Proto-Italic *-tjō Latin -tiō Latin applicātiōbo... 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.

Using “application”

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

  • The one correct English spelling is A-P-P-L-I-C-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌæp.lᵻˈkeɪ.ʃən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “applicator” - see the side-by-side comparison. application vs applicator
  • Browse more English words and confusable pairs in the same reference. English words
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 FrequencyWords open word-frequency list