ShemvsSIMTell them apart

Quick tell: Shem is a name, SIM is a noun, so they fill different roles in a sentence.

Which to use

“Shem” is a name and “SIM” is a noun - they look or sound alike but fill different roles in a sentence.

#40,019
“Shem” frequency rank
#9,670
“SIM” frequency rank
49689
confusion score

Side-by-Side Comparison

Feature Shem SIM
Definition The oldest son of Noah, brother to Ham and Japheth. Clipping of simulation.

Letter map: Shem vs SIM

Shared letters muted; letters that set Shem and SIM apart highlighted. Shared run: 2.

4 ch
Shem
3 ch
SIM

Grammar separator: Shem vs SIM

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Shem is aname and SIManoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 49689, derived from the frequency rank of both members and their visual similarity.

Shem is recorded at frequency rank #40,019, classified as aname. SIM is at rank #9,670, 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 49689, this pair ranks #181,263 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Shem vs SIM

Shared letters: ms. Private to "Shem": eh. Private to "SIM": i.

"Shem" · 4 letters · shape CCVC  ·  "SIM" · 3 letters · shape CVC

Known mistypes of this pair

  • Shemhsem · sehm · shemm · shhem · shme · sshem

Frequently Asked Questions

Is swapping "Shem" for "SIM" ever safe?
No - they are not even the same part of speech. "Shem" is a name and "SIM" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "Shem" or "SIM" show up more?
"SIM" is the more common of the two: it sits at frequency rank #9,670 in our English list, against #40,019 for "Shem". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "Shem" vs "SIM" is on the table, pick a follow-up below.

  • Full dictionary entry for "Shem" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "SIM" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #181,263 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Shem" and "SIM" also get mixed up with nearby pairs, the highest-scored neighbour is "sez vs Shem". 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 #181,263 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