sistervssosténWhich spelling fits?

Which to use

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

#36,296
“sister” frequency rank
#18,689
“sostén” frequency rank
54985
confusion score

Side-by-Side Comparison

Feature sister sostén
Definition Hermana. Acción o efecto de sostener

Where the eye mixes sister and sostén

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

6 ch
sister
6 ch
sostén

Look-alike desk: sister vs sostén

A purely visual mix-up. sister (/ˈsɪs.tə/) and sostén ([sosˈt̪ẽn]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 54985, derived from the frequency rank of both members and their visual similarity.

sister is recorded at frequency rank #36,296, classified as anoun, pronounced /ˈsɪs.tə/. sostén is at rank #18,689, tagged as anoun, pronounced [sosˈt̪ẽn].

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 54985, this pair ranks #80,898 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of sister vs sostén

Shared letters: st. Private to "sister": eir. Private to "sostén": noé.

"sister" · 6 letters · shape CVCCVC  ·  "sostén" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • sistercister · isster · sisetr · sisster · sisterr · sistre · sistter · sitser

Frequently Asked Questions

Can "sister" and "sostén" be used interchangeably?
No. They are said differently (/ˈsɪs.tə/ versus [sosˈt̪ẽn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "sister" vs "sostén" - which ranks higher?
"sostén" is the more common of the two: it sits at frequency rank #18,689 in our Spanish list, against #36,296 for "sister". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "sister" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sostén" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #80,898 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sister" and "sostén" also get mixed up with nearby pairs, the highest-scored neighbour is "singer vs sister". 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 #80,898 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