infrastructurevsinfrastructuresTell them apart

Which to use

“infrastructure” and “infrastructures” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#7,074
“infrastructure” frequency rank
#4,496
“infrastructures” frequency rank
11570
confusion score

Side-by-Side Comparison

Feature infrastructure infrastructures
Definition Ensemble des éléments constituant la base nécessaire à l’édification et au fonctionnement d’un système, abstrait ou concret. Pluriel de infrastructure.

Same sound, different letters: infrastructure vs infrastructures

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 14 letters. infrastructure runs 14 letters (VCCCVCCCVCCVCV) against infrastructures's 15 (VCCCVCCCVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.

14 ch
infrastructure
15 ch
infrastructures

Homophone desk: infrastructure vs infrastructures

This is the hard kind. infrastructure and infrastructures are pronounced identically (\ɛ̃.fʁas.tʁyk.tyʁ\) and both work as anoun. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by 1 extra letter(s) - “infrastructure” sits inside “infrastructures”. Our composite confusion score for this pair is 11570, derived from the frequency rank of both members and their visual similarity.

infrastructure is recorded at frequency rank #7,074, classified as anoun, pronounced \ɛ̃.fʁas.tʁyk.tyʁ\. infrastructures is at rank #4,496, tagged as anoun, pronounced \ɛ̃.fʁas.tʁyk.tyʁ\.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 11570, this pair ranks #408,675 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of infrastructure vs infrastructures

Shared letters: acefinrstu. Private to "infrastructure": -. Private to "infrastructures": -.

"infrastructure" · 14 letters · shape VCCCVCCCVCCVCV  ·  "infrastructures" · 15 letters · shape VCCCVCCCVCCVCVC

Known mistypes of this pair

  • infrastructure ← ifnrastructure · infarstructure · inffrastructure · infrasrtucture · infrasstructure · infrastrcuture · infrastrructure · infrastruccture
  • infrastructures ← ifnrastructures · infarstructures · inffrastructures · infrasrtuctures · infrasstructures · infrastrcutures · infrastrructures · infrastrucctures

Frequently Asked Questions

Is swapping "infrastructure" for "infrastructures" ever safe?
No. They are pronounced the same (\ɛ̃.fʁas.tʁyk.tyʁ\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.
Which is more common, "infrastructure" or "infrastructures"?
"infrastructures" is the more common of the two: it sits at frequency rank #4,496 in our French list, against #7,074 for "infrastructure". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.

  • Full dictionary entry for "infrastructure" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "infrastructures" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #408,675 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #408,675 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list