suction cup

/ˈsʌkʃən kʌp/

//ˈsʌkʃən kʌp// noun

"suction-cup" is a 10-letter English headword indexed on PlainSpell.

The verdict

“suction cup” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A cup made of flexible material, such as rubber, that uses suction as an adhesive.

Corpus desk

Index EN-suction-cup · suction cup · English

suction cup · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" thin
  • PHOTO-UNK Peer pending

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.

Key facts for suction cup
PropertyValue
Headwordsuction cup
LanguageEnglish
Part of speechNoun
IPA/ˈsʌkʃən kʌp/
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “suction cup” in English

suction cupfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

suction cup is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈsʌkʃən kʌp/. Rarity is why readers land here mid-draft. Gloss: "A cup made of flexible material, such as rubber, that uses suction as an adhesive.".

The misspelling generator found no plausible variants for suction cup, a sign its spelling follows regular English conventions. Our dataset records no confusable match here, a sign it's visually distinctive enough not to be mixed up with another word.

No borrowing history is documented for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is suction cup, spelled S-U-C-T-I-O-N- -C-U-P.

Definition

  1. 1
    A cup made of flexible material, such as rubber, that uses suction as an adhesive.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "suction cup"?
"suction cup" is spelled S-U-C-T-I-O-N- -C-U-P. The IPA pronunciation is /ˈsʌkʃən kʌp/.
What does "suction cup" mean?
As a noun, "suction cup" means: A cup made of flexible material, such as rubber, that uses suction as an adhesive.
How do you pronounce "suction cup"?
The IPA (International Phonetic Alphabet) transcription for "suction cup" is /ˈsʌkʃən kʌp/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "suction cup" come from?
"suction cup" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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.

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

Source: FrequencyWords open word-frequency list