decaversary

noun

"decaversary" is a 11-letter English headword indexed on PlainSpell.

The verdict

“decaversary” 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) - The tenth anniversary of something.

Corpus desk

Index EN-decaversary · decaversary · English

decaversary · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "D" 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 decaversary
PropertyValue
Headworddecaversary
LanguageEnglish
Part of speechNoun
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “decaversary” in English

decaversarysits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

decaversary is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The tenth anniversary of something.".

decaversary doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: Blend of deca- + anniversary. The correct English form is decaversary, spelled D-E-C-A-V-E-R-S-A-R-Y.

Definition

  1. 1
    The tenth anniversary of something.

Recorded use

Wiktionary examples

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

  1. where Rick and Dara took their vows. The priest was good, and the cake was good, and the wine so kickass special that they saved a liter to share on their decaversary.
  2. The annual summer concert series is marking its decaversary by bringing back blink-182, the inaugural artist from the first Honda Civic Tour in 2001, along with My Chemical Romance, for a 40-plus date nationwide.

Etymology

Blend of deca- + anniversary.

Synonyms

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 "decaversary"?
"decaversary" is spelled D-E-C-A-V-E-R-S-A-R-Y.
What does "decaversary" mean?
As a noun, "decaversary" means: The tenth anniversary of something.
What is the origin of the word "decaversary"?
Blend of deca- + anniversary. 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.

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

Source: FrequencyWords open word-frequency list