systemvssystemsWhich spelling fits?

Which to use

“system” and “systems” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#14,970
“system” frequency rank
#25,466
“systems” frequency rank
40436
confusion score

Side-by-Side Comparison

Feature system systems
Definition Sistema. Forma del plural de system.

Where the eye mixes system and systems

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

6 ch
system
7 ch
systems

Why the eye confuses system with systems

A purely visual mix-up. system (/ˈsɪs.təm/) and systems (/ˈsɪs.təmz/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “system” sits inside “systems”. Our composite confusion score for this pair is 40436, derived from the frequency rank of both members and their visual similarity.

system is recorded at frequency rank #14,970, classified as anoun, pronounced /ˈsɪs.təm/. systems is at rank #25,466, tagged as anoun, pronounced /ˈsɪs.təmz/.

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 40436, this pair ranks #159,090 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of system vs systems

Shared letters: emsty. Private to "system": -. Private to "systems": -.

"system" · 6 letters · shape CVCCVC  ·  "systems" · 7 letters · shape CVCCVCC

Known mistypes of this pair

  • systemssystem · ssytem · sysetm · sysstem · systemm · systme · systtem · sytsem
  • systemsssystems · ssytems · sysetms · sysstems · systemms · systemss · systesm · systmes

Frequently Asked Questions

Can "system" and "systems" be used interchangeably?
No. They are said differently (/ˈsɪs.təm/ versus /ˈsɪs.təmz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "system" vs "systems" - which ranks higher?
"system" is the more common of the two: it sits at frequency rank #14,970 in our Spanish list, against #25,466 for "systems". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "system" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "systems" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #159,090 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "system" and "systems" also get mixed up with nearby pairs, the highest-scored neighbour is "stem vs system". Nearby pair
  • 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 #159,090 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list