interface

/ˈɪntəfeɪs/

//ˈɪntəfeɪs// noun

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

"interface" is a 9-letter English headword indexed on PlainSpell.

The verdict

“interface” has 13 generated spelling variants in the English index at frequency #5,887. The variants make it a useful spelling check.

#5,887
frequency rank, English
2,140
“I” headwords
13
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The point of interconnection or contact between entities.

Corpus desk

Index EN-interface · interface · English

interface · rank #5,887 · 13 variants · 3 confusables

  • FREQ-COMMON #5,887
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-LOW 3 pairs
  • VAR-HIGH 13 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH heal

Nearest frequency peer: heal (-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 “interface”

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

corpus weight

What this shows “interface” 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).

interface vs interfere
78% similar
interface vs interfaces
90% similar
interface vs interact
78% similar

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

Key facts for interface
PropertyValue
Headwordinterface
LanguageEnglish
Part of speechNoun
IPA/ˈɪntəfeɪs/
Letters9
Frequency rank#5,887
Misspellings tracked13
Confusable pairs3
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “interface”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).interfacelands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “heal” (#5,886), “iOS” (#5,888), “ham” (#5,885). Among 2,140 “I” headwords, “interface” is #5,887. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 13 spelling variants around interface (IPA /ˈɪntəfeɪs/), anoun. Corpus frequency is #5,887 among 2,140 “I” headwords. Wiktionary lists 8 senses, so context still picks the gloss.

Our generated misspelling index lists 13 likely wrong-spelling variants for interface, with forms such as "inetrface", "innterface", and "intefrace". 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 3 confusable-pair relationships, "interfere", "interfaces", "interact", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From inter- (“between”) + face (“shape, figure, form”). The correct English form is interface, spelled I-N-T-E-R-F-A-C-E.

Definition

  1. 1
    The point of interconnection or contact between entities.
  2. 2
    A thin layer or boundary between different substances or two phases of a single substance.
  3. 3
    The point of interconnection between systems or subsystems.
  4. 4
    The connection between a user and a machine.
  5. 5
    The connection between parts of software; also the public or published sections of an object or module.
  6. 6
    In object-oriented programming, a piece of code defining a set of operations that other code must implement.
  7. 7
    In some languages, a block of code declaring the interface (point of interconnection) between a class and code that interacts with it.
  8. 8
    The internal surface of a coiled protein (compare exoface).

Recorded use

Wiktionary examples

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

  1. Public relations firms often serve as the interface between a company and the press.
  2. If water and oil are mixed together, they tend to separate, and at equilibrium they are in different strata with an oil-water interface in between.

Etymology

From inter- (“between”) + face (“shape, figure, form”).

This word in other languages

interfaz(Español)interface(Français)Schnittstelle(Deutsch)

Common misspellings

Also misspelled as:

  • inetrface
  • innterface
  • intefrace
  • interafce
  • interfacce
  • interfaec
  • interfcae
  • interfface
  • interrface
  • intreface
  • intterface
  • itnerface
  • niterface

Misspelling Pattern Breakdown

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

inetrface2innterface1intefrace2interafce2interfacce1interfaec2interfcae2interfface1
Edit distance from "interface"

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 "interface"?
"interface" is spelled I-N-T-E-R-F-A-C-E. The IPA pronunciation is /ˈɪntəfeɪs/.
What does "interface" mean?
As a noun, "interface" means: The point of interconnection or contact between entities.
What words are commonly confused with "interface"?
"interface" is commonly confused with "interfere", "interfaces", "interact". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "interface"?
The IPA (International Phonetic Alphabet) transcription for "interface" is /ˈɪntəfeɪs/. 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 "interface"?
From inter- (“between”) + face (“shape, figure, form”). 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 "interface", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

governing#5,884exercises#5,882excessive#5,881electoral#5,878

Similar misspelling depth

Headwords with a similar count of attested misspellings (13 here; floor ≥5).

curriculum13 variantsclimbing13 variantsRichmond13 variantsblocking13 variants

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

Source: FrequencyWords open word-frequency list