interdependency

noun

"interdependency" is a 15-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
15
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A mutual dependence, connection or correlation.

Corpus desk

Index EN-interdependency · interdependency · English

interdependency · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 15 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "I" 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 interdependency
PropertyValue
Headwordinterdependency
LanguageEnglish
Part of speechNoun
Letters15
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “interdependency” in English

interdependencyfalls 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

interdependency is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A mutual dependence, connection or correlation.".

interdependency has no tracked misspelling variants, since its letter pattern doesn't lend itself to common typo substitutions. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From inter- + dependency. The correct English form is interdependency, spelled I-N-T-E-R-D-E-P-E-N-D-E-N-C-Y.

Definition

  1. 1
    A mutual dependence, connection or correlation.

Recorded use

Wiktionary examples

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

  1. All life on our planet exists only because we are enmeshed within a complex web of interdependent ecological and social systems. Executives must remove their blinkers and recognise this natural law of interdependency.
  2. In a superbly argued and richly detailed account of the interdependencies of slavery and revolution throughout the Americas, as well as the religious traditions of Protestantism, Catholicism and Islam (many of the west Africans were educated Muslims), […]

Etymology

From inter- + dependency.

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 "interdependency"?
"interdependency" is spelled I-N-T-E-R-D-E-P-E-N-D-E-N-C-Y.
What does "interdependency" mean?
As a noun, "interdependency" means: A mutual dependence, connection or correlation.
What is the origin of the word "interdependency"?
From inter- + dependency. 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