shimvssinWhat's the difference?

Which to use

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

#40,020
“shim” frequency rank
#3,848
“sin” frequency rank
43868
confusion score

Side-by-Side Comparison

Feature shim sin
Definition A wedge. A violation of divine will or religious law.

Where the eye mixes shim and sin

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

4 ch
shim
3 ch
sin

Visual trap between shim and sin

A purely visual mix-up. shim (/ʃɪm/) and sin (/sɪn/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 43868, derived from the frequency rank of both members and their visual similarity.

shim is recorded at frequency rank #40,020, classified as anoun, pronounced /ʃɪm/. sin is at rank #3,848, tagged as anoun, pronounced /sɪn/.

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 43868, this pair ranks #235,933 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of shim vs sin

Shared letters: is. Private to "shim": hm. Private to "sin": n.

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

Known mistypes of this pair

  • shimhsim · shhim · shimm · shmi · sihm · sshim

Frequently Asked Questions

Is swapping "shim" for "sin" ever safe?
No. They are said differently (/ʃɪm/ versus /sɪn/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "shim" or "sin"?
"sin" is the more common of the two: it sits at frequency rank #3,848 in our English list, against #40,020 for "shim". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "shim" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sin" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #235,933 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "shim" and "sin" also get mixed up with nearby pairs, the highest-scored neighbour is "shim vs Sif". 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 #235,933 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