s vs Sus, What's the Difference?

Which to use

“s” is a character and “Sus” is a name - they look or sound alike but fill different roles in a sentence.

#142
“s” frequency rank: #27,667
“Sus” frequency rank: 27809
confusion score

Side-by-Side Comparison

Feature	s	Sus
Definition	The nineteenth letter of the English alphabet, called ess and written in the Latin script.	Synonym of Shush (“city in Khuzestan, Iran”).

Letter map: s vs Sus

Shared letters muted; letters that set s and Sus apart highlighted. Shared run: 1.

1 ch

3 ch

Sus

Grammar separator: s vs Sus

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: s is acharacter and Susaname. On the page they differ by 2 extra letter(s) - “s” sits inside “Sus”. Our composite confusion score for this pair is 27809, derived from the frequency rank of both members and their visual similarity.

s is recorded at frequency rank #142, classified as acharacter, pronounced /ɛs/. Sus is at rank #27,667, tagged as aname.

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 27809, this pair ranks #375,946 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of s vs Sus

Shared letters: s. Private to "s": -. Private to "Sus": u.

"s" · 1 letters · shape C · "Sus" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "s" for "Sus" ever safe?

No - they are not even the same part of speech. "s" is a character and "Sus" a name, so a sentence built for one is usually ungrammatical with the other.

In ordinary English text, does "s" or "Sus" show up more?

"s" is the more common of the two: it sits at frequency rank #142 in our English list, against #27,667 for "Sus". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pair "s" vs "Sus" is on the table, pick a follow-up below.

Full dictionary entry for "s" 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 #375,946 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"s" and "Sus" also get mixed up with nearby pairs, the highest-scored neighbour is "sura vs Sus". Nearby pair

Confusion rank #375,946 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.