SSBvssshWhich spelling fits?

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

Which to use

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

#45,099
“SSB” frequency rank
#24,914
“ssh” frequency rank
70013
confusion score

Side-by-Side Comparison

Feature SSB ssh
Definition Initialism of single sideband, a type of radio emission. A program and protocol for securely logging in to and running programs on remote machines across a network, with encryption to protect the transferred information and authentication to ensure that the remote machine is the one desired.

Letter map: SSB vs ssh

Shared letters muted; letters that set SSB and ssh apart highlighted. Shared run: 2.

3 ch
SSB
3 ch
ssh

Part-of-speech tell for SSB / ssh

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: SSB is anoun and sshaname. On the page they differ by a single letter - b in “SSB” becomes h in “ssh”. Our composite confusion score for this pair is 70013, derived from the frequency rank of both members and their visual similarity.

SSB is recorded at frequency rank #45,099, classified as anoun. ssh is at rank #24,914, 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 70013, this pair ranks #52,266 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of SSB vs ssh

Shared letters: s. Private to "SSB": b. Private to "ssh": h.

"SSB" · 3 letters · shape CCC  ·  "ssh" · 3 letters · shape CCC

Frequently Asked Questions

Is swapping "SSB" for "ssh" ever safe?
No - they are not even the same part of speech. "SSB" is a noun and "ssh" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "SSB" or "ssh" show up more?
"ssh" is the more common of the two: it sits at frequency rank #24,914 in our English list, against #45,099 for "SSB". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "SSB" vs "ssh" is on the table, pick a follow-up below.

  • Full dictionary entry for "SSB" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ssh" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #52,266 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "SSB" and "ssh" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs SSB". Nearby pair

Confusion rank #52,266 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list