SethvsstuWhich spelling fits?

Quick tell: Seth is a name, stu is an unknown, so they fill different roles in a sentence.

Which to use

“Seth” is a name and “stu” is an unknown - they look or sound alike but fill different roles in a sentence.

#22,139
“Seth” frequency rank
#47,032
“stu” frequency rank
69171
confusion score

Side-by-Side Comparison

Feature Seth stu
Definition biblischer männlicher Eigenname; dritter Sohn von Adam und Eva Dativ Singular des Numerales sto

Where the eye mixes Seth and stu

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
Seth
3 ch
stu

Why the eye confuses Seth with stu

These two trip readers on the page rather than in the ear: Seth is [zeːt] while stu is [stʊ]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (name vs unknown), which is usually the fastest check. Our composite confusion score for this pair is 69171, derived from the frequency rank of both members and their visual similarity.

Seth is recorded at frequency rank #22,139, classified as aname, pronounced [zeːt]. stu is at rank #47,032, tagged as anunknown, pronounced [stʊ].

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 69171, this pair ranks #484,831 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of Seth vs stu

Shared letters: st. Private to "Seth": eh. Private to "stu": u.

"Seth" · 4 letters · shape CVCC  ·  "stu" · 3 letters · shape CCV

Known mistypes of this pair

  • Sethesth · sethh · setth · sseth

Frequently Asked Questions

Can "Seth" and "stu" be used interchangeably?
No - they are not even the same part of speech. "Seth" is a name and "stu" an unknown, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Seth" or "stu"?
"Seth" is the more common of the two: it sits at frequency rank #22,139 in our German list, against #47,032 for "stu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "Seth" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "stu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #484,831 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Seth" and "stu" also get mixed up with nearby pairs, the highest-scored neighbour is "seg vs stu". 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 #484,831 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