SinusvssonsWhich spelling fits?

Which to use

“Sinus” and “sons” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#36,626
“Sinus” frequency rank
#25,315
“sons” frequency rank
61941
confusion score

Side-by-Side Comparison

Feature Sinus sons
Definition eine trigonometrische Funktion Plural des Substantivs son

Where the eye mixes Sinus and sons

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

5 ch
Sinus
4 ch
sons

Why the eye confuses Sinus with sons

A purely visual mix-up. Sinus ([ˈziːnʊs]) and sons ([sʌnz]) 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 letter(s) in length. Our composite confusion score for this pair is 61941, derived from the frequency rank of both members and their visual similarity.

Sinus is recorded at frequency rank #36,626, classified as anoun, pronounced [ˈziːnʊs]. sons is at rank #25,315, tagged as anoun, pronounced [sʌnz].

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 61941, this pair ranks #731,067 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Sinus vs sons

Shared letters: ns. Private to "Sinus": iu. Private to "sons": o.

"Sinus" · 5 letters · shape CVCVC  ·  "sons" · 4 letters · shape CVCC

Known mistypes of this pair

  • Sinusisnus · sinnus · sinsu · sinuss · siuns · snius · ssinus
  • sonsosns · snos · sonns · sonss · sosn · ssons

Frequently Asked Questions

Is swapping "Sinus" for "sons" ever safe?
No. They are said differently ([ˈziːnʊs] versus [sʌnz]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "Sinus" vs "sons" - which ranks higher?
"sons" is the more common of the two: it sits at frequency rank #25,315 in our German list, against #36,626 for "Sinus". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "Sinus" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sons" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #731,067 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Sinus" and "sons" also get mixed up with nearby pairs, the highest-scored neighbour is "sands vs Sinus". 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 #731,067 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list