superset

noun

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

The verdict

“superset” is uncommon English (frequency #81,879 among 6,566 “S” headwords), classed as a noun. The kind of spelling people second-guess.

#81,879
frequency rank, English
6,566
“S” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - (symbol: ⊇) With respect to another set, a set such that each of the elements of the other set is also an element of the set.

Corpus desk

Index EN-superset · superset · English

superset · rank #81,879 · 0 variants · 0 confusables

  • FREQ-RARE #81,879
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH supernatant

Nearest frequency peer: supernatant (-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.

Long-tail ranks near “superset”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “superset” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for superset
PropertyValue
Headwordsuperset
LanguageEnglish
Part of speechNoun
Letters8
Frequency rank#81,879
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “superset” in English

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).supersetfalls in this rarity band:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “supernatant” (#81,878), “sunbelt” (#81,877), “Sugiyama” (#81,874). Among 6,566 “S” headwords, “superset” is #81,879. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

superset is uncommon English at frequency #81,879 among 6,566 “S” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

No generated misspelling entries exist for superset in our index, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From super- + set. The correct English form is superset, spelled S-U-P-E-R-S-E-T.

Definition

  1. 1
    (symbol: ⊇) With respect to another set, a set such that each of the elements of the other set is also an element of the set.
  2. 2
    Two or more different physical exercises performed back to back (i.e., without a period of rest between them). The exercises may employ the same muscle group, or opposing muscle groups.

Recorded use

Wiktionary examples

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

  1. Near-synonyms: supergroup (broad sense), superclass, supercategory
  2. The set of human beings is a superset of the set of human children.

Etymology

From super- + set.

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); 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 "superset"?
"superset" is spelled S-U-P-E-R-S-E-T.
What does "superset" mean?
As a noun, "superset" means: (symbol: ⊇) With respect to another set, a set such that each of the elements of the other set is also an element of the set.
What is the origin of the word "superset"?
From super- + set. 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 "superset", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list