so's vs suds, What's the Difference?

Which to use

“so's” is a contraction and “suds” is a noun - they look or sound alike but fill different roles in a sentence.

#38,171
“so's” frequency rank: #49,655
“suds” frequency rank: 87826
confusion score

Side-by-Side Comparison

Feature	so's	suds
Definition	So that, in order that.	Lather; foam or froth formed by mixing soap and water.

Where the spellings diverge

Shared letters are muted; the letters that actually set so's and suds apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch

so's

4 ch

suds

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: so's is acontraction and sudsanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 87826, derived from the frequency rank of both members and their visual similarity.

so's is recorded at frequency rank #38,171, classified as acontraction. suds is at rank #49,655, tagged as anoun, pronounced /sʌdz/.

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 87826, this pair ranks #7,111 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of so's vs suds

Shared letters: s. Private to "so's": o. Private to "suds": du.

"so's" · 3 letters · shape CVC · "suds" · 4 letters · shape CVCC

Known mistypes of this pair

suds ← sdus · ssuds · sudds · sudss · susd · usds

Frequency comparison

so's#38,171

suds#49,655

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "so's" and "suds" be used interchangeably?

No - they are not even the same part of speech. "so's" is a contraction and "suds" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "so's" or "suds"?

"so's" is the more common of the two: it sits at frequency rank #38,171 in our English list, against #49,655 for "suds". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering so's vs suds

The fastest way to pick the right one every time.

Check the role first: if you need a contraction, it's “so's”; for a noun, it's “suds”.
See each word in full, definition, IPA, etymology and its other confusables. Full “so's” entry
Browse more pairs most likely to be confused. Most confusable