sacvssomConfusable pair

Which to use

“sac” and “som” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#23,816
“sac” frequency rank
#1,134
“som” frequency rank
24950
confusion score

Side-by-Side Comparison

Feature sac som
Definition saco, bolsa onda longitudinal transmitida pela matéria e que podemos ouvir (geralmente entre 20Hz e 20kHz):

Where the eye mixes sac and som

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
sac
3 ch
som

Visual trap between sac and som

A purely visual mix-up. sac (\sak\) and som (/ˈsõ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 24950, derived from the frequency rank of both members and their visual similarity.

sac is recorded at frequency rank #23,816, classified as anoun, pronounced \sak\. som is at rank #1,134, tagged as anoun, pronounced /ˈsõ/.

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 24950, this pair ranks #44,489 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sac vs som

Shared letters: s. Private to "sac": ac. Private to "som": mo.

"sac" · 3 letters · shape CVC  ·  "som" · 3 letters · shape CVC

Frequently Asked Questions

Can "sac" and "som" be used interchangeably?
No. They are said differently (\sak\ versus /ˈsõ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "sac" or "som"?
"som" is the more common of the two: it sits at frequency rank #1,134 in our Portuguese list, against #23,816 for "sac". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "sac" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "som" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #44,489 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sac" and "som" also get mixed up with nearby pairs, the highest-scored neighbour is "sac vs soap". Nearby pair

Confusion rank #44,489 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list