sawvssuWhich spelling fits?

Which to use

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

#459
“saw” frequency rank
#8,094
“su” frequency rank
8553
confusion score

Side-by-Side Comparison

Feature saw su
Definition A tool with a toothed blade used for cutting hard substances, in particular wood or metal. Alternative form of xu (“former Vietnamese currency”).

Letter map: saw vs su

Shared letters muted; letters that set saw and su apart highlighted. Shared run: 1.

3 ch
saw
2 ch
su

Pair insight - saw / su

saw and su 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 8553, derived from the frequency rank of both members and their visual similarity.

saw is recorded at frequency rank #459, classified as anoun, pronounced /sɑ/. su is at rank #8,094, 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 8553, this pair ranks #501,927 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of saw vs su

Shared letters: s. Private to "saw": aw. Private to "su": u.

"saw" · 3 letters · shape CVC  ·  "su" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "saw" for "su" ever safe?
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.
In ordinary English text, does "saw" or "su" show up more?
"saw" is the more common of the two: it sits at frequency rank #459 in our English list, against #8,094 for "su". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Done with this confusable. These links stay specific to "saw" and "su".

  • Full dictionary entry for "saw" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "su" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #501,927 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "saw" and "su" also get mixed up with nearby pairs, the highest-scored neighbour is "su vs sura". Nearby pair

Confusion rank #501,927 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