soivsswigWhich spelling fits?

Quick tell: soi is a noun, swig is a verb, so they fill different roles in a sentence.

Which to use

“soi” is a noun and “swig” is a verb - they look or sound alike but fill different roles in a sentence.

#34,694
“soi” frequency rank
#46,803
“swig” frequency rank
81497
confusion score

Side-by-Side Comparison

Feature soi swig
Definition In Thailand, a side-street branching off a major street; an alley or lane. To drink (usually by gulping or in a greedy or unrefined manner); to quaff.

Letter map: soi vs swig

Shared letters muted; letters that set soi and swig apart highlighted. Shared run: 2. soi runs 3 letters (CVV) against swig's 4 (CCVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
soi
4 ch
swig

Role in the sentence - soi and swig

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: soi is anoun and swigaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 81497, derived from the frequency rank of both members and their visual similarity.

soi is recorded at frequency rank #34,694, classified as anoun. swig is at rank #46,803, tagged as averb, pronounced /swɪɡ/.

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 81497, this pair ranks #17,552 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of soi vs swig

Shared letters: is. Private to "soi": o. Private to "swig": gw.

"soi" · 3 letters · shape CVV  ·  "swig" · 4 letters · shape CCVC

Known mistypes of this pair

  • swig ← siwg · sswig · swgi · swigg · swwig · wsig

Frequently Asked Questions

Can "soi" and "swig" be used interchangeably?
No - they are not even the same part of speech. "soi" is a noun and "swig" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "soi" or "swig"?
"soi" is the more common of the two: it sits at frequency rank #34,694 in our English list, against #46,803 for "swig". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "soi" and "swig".

  • Full dictionary entry for "soi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "swig" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #17,552 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "soi" and "swig" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs swig". 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 #17,552 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