multiyear

adj

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

The verdict

“multiyear” is uncommon English (frequency #63,096 among 4,057 “M” headwords), classed as an adjective. The kind of spelling people second-guess.

#63,096
frequency rank, English
4,057
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Having a duration of multiple years.

Corpus desk

Index EN-multiyear · multiyear · English

multiyear · rank #63,096 · 0 variants · 0 confusables

  • FREQ-RARE #63,096
  • LEN-LONG 9 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH mth

Nearest frequency peer: mth (-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 “multiyear”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for multiyear
PropertyValue
Headwordmultiyear
LanguageEnglish
Part of speechAdjective
Letters9
Frequency rank#63,096
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “multiyear” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).multiyearfalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “mth” (#63,095), “Nabisco” (#63,097), “MSFT” (#63,094). Among 4,057 “M” headwords, “multiyear” is #63,096. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

multiyear is uncommon English at frequency #63,096 among 4,057 “M” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Having a duration of multiple years.".

No generated misspelling entries exist for multiyear in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From multi- + year. The correct English form is multiyear, spelled M-U-L-T-I-Y-E-A-R.

Definition

  1. 1
    Having a duration of multiple years.

Recorded use

Wiktionary examples

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

  1. We first discuss a multiyear study on Soay sheep (Ovis aries) and red deer (Cervus elaphus) that has successfully yielded a sophisticated understanding of population regulation (Clutton-Brock et al., 1997).
  2. Her mother favored a multiyear project: obscenities carved in intricate and clever juxtapositions, descending every finger, curling in lettered whorls across the palm, fanning in offensive rays across the opisthenar, which is the name for the back of the hand, a word that Leilani knew because she had studied the structure of the human hand in detail, the…

Etymology

From multi- + year.

Synonyms

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 "multiyear"?
"multiyear" is spelled M-U-L-T-I-Y-E-A-R.
What does "multiyear" mean?
As an adjective, "multiyear" means: Having a duration of multiple years.
What is the origin of the word "multiyear"?
From multi- + year. 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 "multiyear", not the corpus desk frequency band.

Same letter count

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

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

Source: FrequencyWords open word-frequency list