saisvsSamWhich spelling fits?

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

Which to use

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

#44,467
“sais” frequency rank
#2,313
“Sam” frequency rank
46780
confusion score

Side-by-Side Comparison

Feature sais Sam
Definition A groom, or servant with responsibility for the horses. A diminutive of the male given names Samuel or Samson.

Where the eye mixes sais and Sam

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
sais
3 ch
Sam

Look-alike desk: sais vs Sam

These two trip readers on the page rather than in the ear: sais is /saɪs/ while Sam is /ˈsæm/. 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 (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 46780, derived from the frequency rank of both members and their visual similarity.

sais is recorded at frequency rank #44,467, classified as anoun, pronounced /saɪs/. Sam is at rank #2,313, tagged as aname, pronounced /ˈsæm/.

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 46780, this pair ranks #208,543 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sais vs Sam

Shared letters: as. Private to "sais": i. Private to "Sam": m.

"sais" · 4 letters · shape CVVC  ·  "Sam" · 3 letters · shape CVC

Known mistypes of this pair

  • saisasis · saiss · sasi · sias · ssais

Frequently Asked Questions

Can "sais" and "Sam" be used interchangeably?
No - they are not even the same part of speech. "sais" is a noun and "Sam" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "sais" or "Sam" show up more?
"Sam" is the more common of the two: it sits at frequency rank #2,313 in our English list, against #44,467 for "sais". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "sais" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Sam" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #208,543 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sais" and "Sam" also get mixed up with nearby pairs, the highest-scored neighbour is "sais 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 #208,543 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