SionvsSpionWhich spelling fits?

Quick tell: Sion is a name, Spion is a noun, so they fill different roles in a sentence.

Which to use

“Sion” is a name and “Spion” is a noun - they look or sound alike but fill different roles in a sentence.

#30,768
“Sion” frequency rank
#18,070
“Spion” frequency rank
48838
confusion score

Side-by-Side Comparison

Feature Sion Spion
Definition Stadtteil von Mumbai ein heimlicher, unerkannter Beobachter, der die gegnerische Seite auszukunden hat

Letter map: Sion vs Spion

Shared letters muted; letters that set Sion and Spion apart highlighted. Shared run: 4. Sion runs 4 letters (CVVC) against Spion's 5 (CCVVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
Sion
5 ch
Spion

Role in the sentence - Sion and Spion

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Sion is aname and Spionanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 48838, derived from the frequency rank of both members and their visual similarity.

Sion is recorded at frequency rank #30,768, classified as aname, pronounced […]. Spion is at rank #18,070, tagged as anoun, pronounced [ʃpiˈoːn].

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 48838, this pair ranks #1,233,744 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Sion vs Spion

Shared letters: inos. Private to "Sion": -. Private to "Spion": p.

"Sion" · 4 letters · shape CVVC  ·  "Spion" · 5 letters · shape CCVVC

Known mistypes of this pair

  • Sion ← ison · sino · sionn · soin · ssion
  • Spion ← psion · sipon · spino · spionn · spoin · sppion · sspion

Frequently Asked Questions

Can "Sion" and "Spion" be used interchangeably?
No - they are not even the same part of speech. "Sion" is a name and "Spion" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Sion" vs "Spion" - which ranks higher?
"Spion" is the more common of the two: it sits at frequency rank #18,070 in our German list, against #30,768 for "Sion". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "Sion" vs "Spion" is on the table, pick a follow-up below.

  • Full dictionary entry for "Sion" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Spion" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,233,744 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Sion" and "Spion" also get mixed up with nearby pairs, the highest-scored neighbour is "puzzles vs Sion". 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 #1,233,744 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