sonsvsSPSWhich spelling fits?

Which to use

“sons” and “SPS” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#3,028
“sons” frequency rank
#34,299
“SPS” frequency rank
37327
confusion score

Side-by-Side Comparison

Feature sons SPS
Definition plural of son Initialism of supplementary policy statement.

Letter map: sons vs SPS

Shared letters muted; letters that set sons and SPS apart highlighted. Shared run: 2.

4 ch
sons
3 ch
SPS

Corpus notes: sons and SPS

sons and SPS are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 37327, derived from the frequency rank of both members and their visual similarity.

sons is recorded at frequency rank #3,028, classified as anoun, pronounced /sʌnz/. SPS is at rank #34,299, tagged as anoun.

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 37327, this pair ranks #295,494 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sons vs SPS

Shared letters: s. Private to "sons": no. Private to "SPS": p.

"sons" · 4 letters · shape CVCC  ·  "SPS" · 3 letters · shape CCC

Known mistypes of this pair

  • sonsosns · snos · sonns · sonss · sosn · ssons

Frequently Asked Questions

Do "sons" and "SPS" mean the same thing in a sentence?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "sons" or "SPS"?
"sons" is the more common of the two: it sits at frequency rank #3,028 in our English list, against #34,299 for "SPS". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "sons" and "SPS". Here's where to go from here.

  • Full dictionary entry for "sons" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "SPS" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #295,494 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sons" and "SPS" also get mixed up with nearby pairs, the highest-scored neighbour is "SPS vs suds". 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 #295,494 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