sinvsswigWhich spelling fits?

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

Which to use

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

#3,848
“sin” frequency rank
#46,803
“swig” frequency rank
50651
confusion score

Side-by-Side Comparison

Feature sin swig
Definition A violation of divine will or religious law. To drink (usually by gulping or in a greedy or unrefined manner); to quaff.

Where the eye mixes sin and swig

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

3 ch
sin
4 ch
swig

Look-alike desk: sin vs swig

These two trip readers on the page rather than in the ear: sin is /sɪn/ while swig is /swɪɡ/. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 50651, derived from the frequency rank of both members and their visual similarity.

sin is recorded at frequency rank #3,848, classified as anoun, pronounced /sɪn/. 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 50651, this pair ranks #172,337 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sin vs swig

Shared letters: is. Private to "sin": n. Private to "swig": gw.

"sin" · 3 letters · shape CVC  ·  "swig" · 4 letters · shape CCVC

Known mistypes of this pair

  • swigsiwg · sswig · swgi · swigg · swwig · wsig

Frequently Asked Questions

Is swapping "sin" for "swig" ever safe?
No - they are not even the same part of speech. "sin" is a noun and "swig" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "sin" or "swig" show up more?
"sin" is the more common of the two: it sits at frequency rank #3,848 in our English list, against #46,803 for "swig". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "sin" 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 #172,337 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sin" 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 #172,337 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