functionality

noun

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

"functionality" is a 13-letter English headword indexed on PlainSpell.

The verdict

“functionality” is a moderately-common English word, ranked #11,216 in English word frequency and used as a noun.

#11,216
frequency rank, English
13
letters
20
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The ability to do a task, performance, or execution; a set of functions that something is able or equipped to perform.

Visual similarity to commonly confused words

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

functionality vs functionally
85% similar

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

Key facts for functionality
PropertyValue
Headwordfunctionality
LanguageEnglish
Part of speechNoun
Letters13
Frequency rank#11,216
Misspellings tracked20
Confusable pairs1
SourceWiktionary (kaikki.org)

Where “functionality” 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). functionality 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 functionality is 13 letters long, classified as a noun. Corpus data places it at rank #11,216 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 20 likely wrong-spelling variants for functionality, with forms such as "ffunctionality", "fnuctionality", and "fucntionality". 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 1 confusable-pair relationship, "functionally", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From functional + -ity. The correct English form is functionality, spelled F-U-N-C-T-I-O-N-A-L-I-T-Y.

Definition

  1. 1
    The ability to do a task, performance, or execution; a set of functions that something is able or equipped to perform.
  2. 2
    In trademark law, the tendency of a product design to serve a function other than the identification of the product, preventing that design from being protected as a trademark.
  3. 3
    The presence of a functional group.

Etymology

From functional + -ity.

This word in other languages

funcionalidad(Español)fonctionnalité(Français)Funktionalität(Deutsch)

Common misspellings

Also misspelled as: ffunctionality,fnuctionality,fucntionality,funcctionality,funcitonality,functinoality,functioanlity,functionailty,functionalitty,functionalityy,functionaliyt,functionallity,functionaltiy,functionlaity,functionnality,functoinality,functtionality,funnctionality,funtcionality,ufnctionality

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of functionality - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

ffunctionality1fnuctionality2fucntionality2funcctionality1funcitonality2functinoality2functioanlity2functionailty2
Edit distance from "functionality"

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 "functionality"?
"functionality" is spelled F-U-N-C-T-I-O-N-A-L-I-T-Y.
What does "functionality" mean?
As a noun, "functionality" means: The ability to do a task, performance, or execution; a set of functions that something is able or equipped to perform.
What words are commonly confused with "functionality"?
"functionality" is commonly confused with "functionally". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "functionality"?
From functional + -ity. 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 “functionality”

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

  • The one correct English spelling is F-U-N-C-T-I-O-N-A-L-I-T-Y - every other letter order is a misspelling in standard orthography.
  • Don't mix it up with “functionally” - see the side-by-side comparison. functionality vs functionally
  • 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