sovssusConfusable pair

Quick tell: so is a conjunction, sus is a noun, so they fill different roles in a sentence.

Which to use

“so” is a conjunction and “sus” is a noun - they look or sound alike but fill different roles in a sentence.

#28
“so” frequency rank
#15,757
“sus” frequency rank
15785
confusion score

Side-by-Side Comparison

Feature so sus
Definition drückt einen Vergleich aus Schwester

Where the eye mixes so and sus

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
so
3 ch
sus

Look-alike desk: so vs sus

These two trip readers on the page rather than in the ear: so is [zoː] while sus is [sœs]. 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 (conjunction vs noun), which is usually the fastest check. Our composite confusion score for this pair is 15785, derived from the frequency rank of both members and their visual similarity.

so is recorded at frequency rank #28, classified as aconj, pronounced [zoː]. sus is at rank #15,757, tagged as anoun, pronounced [sœs].

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 15785, this pair ranks #1,941,145 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of so vs sus

Shared letters: s. Private to "so": o. Private to "sus": u.

"so" · 2 letters · shape CV  ·  "sus" · 3 letters · shape CVC

Frequently Asked Questions

Can "so" and "sus" be used interchangeably?
No - they are not even the same part of speech. "so" is a conjunction and "sus" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "so" vs "sus" - which ranks higher?
"so" is the more common of the two: it sits at frequency rank #28 in our German list, against #15,757 for "sus". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "so" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,941,145 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "so" and "sus" also get mixed up with nearby pairs, the highest-scored neighbour is "seg vs sus". Nearby pair

Confusion rank #1,941,145 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