coupling

/ˈkʌplɪŋ/

//ˈkʌplɪŋ// noun

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

The verdict

“coupling” is a moderately-common English word, ranked #15,593 in English word frequency and used as a noun.

#15,593
frequency rank, English
8
letters
12
tracked misspellings
10
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The act of joining together to form a couple.

Visual similarity to commonly confused words

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

coupling vs curling
75% similar
coupling vs culling
75% similar
coupling vs cupping
75% similar

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

Key facts for coupling
PropertyValue
Headwordcoupling
LanguageEnglish
Part of speechNoun
IPA/ˈkʌplɪŋ/
Letters8
Frequency rank#15,593
Misspellings tracked12
Confusable pairs10
SourceWiktionary (kaikki.org)

Where “coupling” 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). coupling 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 coupling is 8 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈkʌplɪŋ/. Corpus data places it at rank #15,593 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 7 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 12 likely wrong-spelling variants for coupling, with forms such as "ccoupling", "copuling", and "coulping". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 10 confusable-pair relationships, "curling", "culling", "cupping", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English couplynge; equivalent to couple + -ing. The correct English form is coupling, spelled C-O-U-P-L-I-N-G.

Definition

  1. 1
    The act of joining together to form a couple.
  2. 2
    A device that couples two things together.
  3. 3
    The degree of reliance between two or more software modules.
  4. 4
    A connection between two electronic circuits such that a signal can pass between them.
  5. 5
    The property of physical systems that they are interacting with each other
  6. 6
    An act of sexual intercourse.
  7. 7
    A link between the performance of an action and the location where that action occurs or the method used to perform that action.

Etymology

From Middle English couplynge; equivalent to couple + -ing.

This word in other languages

Common misspellings

Also misspelled as: ccoupling,copuling,coulping,coupilng,couplign,couplingg,couplinng,couplling,couplnig,couppling,cuopling,ocupling

Misspelling Pattern Breakdown

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

ccoupling1copuling2coulping2coupilng2couplign2couplingg1couplinng1couplling1
Edit distance from "coupling"

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 "coupling"?
"coupling" is spelled C-O-U-P-L-I-N-G. The IPA pronunciation is /ˈkʌplɪŋ/.
What does "coupling" mean?
As a noun, "coupling" means: The act of joining together to form a couple.
What words are commonly confused with "coupling"?
"coupling" is commonly confused with "curling", "culling", "cupping". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "coupling"?
The IPA (International Phonetic Alphabet) transcription for "coupling" is /ˈkʌplɪŋ/. 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 "coupling"?
From Middle English couplynge; equivalent to couple + -ing. 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 “coupling”

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

  • The one correct English spelling is C-O-U-P-L-I-N-G - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈkʌplɪŋ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “curling” - see the side-by-side comparison. coupling vs curling
  • 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