Which to use
“slam” is a verb and “STM” is a noun - they look or sound alike but fill different roles in a sentence.
- #6,961
- “slam” frequency rank
- #38,181
- “STM” frequency rank
- 45142
- confusion score
Side-by-Side Comparison
| Feature | slam | STM |
|---|---|---|
| Definition | To shut with sudden force so as to produce a shock and noise. | Initialism of scanning tunneling microscope. |
Letter map: slam vs STM
Shared letters muted; letters that set slam and STM apart highlighted. Shared run: 2.
Role in the sentence - slam and STM
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: slam is averb and STManoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 45142, derived from the frequency rank of both members and their visual similarity.
slam is recorded at frequency rank #6,961, classified as averb, pronounced /slæm/. STM is at rank #38,181, 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 45142, this pair ranks #224,031 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of slam vs STM
Shared letters: ms. Private to "slam": al. Private to "STM": t.
"slam" · 4 letters · shape CCVC · "STM" · 3 letters · shape CCC
Known mistypes of this pair
- slam ← lsam · salm · slamm · sllam · slma · sslam
Frequently Asked Questions
Is swapping "slam" for "STM" ever safe?
Which is more common, "slam" or "STM"?
What to do next
Done with this confusable. These links stay specific to "slam" and "STM".
- Full dictionary entry for "slam" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "STM" - compare definitions side by side with the headword page. Word entry
- This pair ranks #224,031 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "slam" and "STM" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs STM". 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 #224,031 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.