STMvssupWhat's the difference?

Quick tell: STM is a noun, sup is an intj, so they fill different roles in a sentence.

Which to use

“STM” is a noun and “sup” is an intj - they look or sound alike but fill different roles in a sentence.

#23,698
“STM” frequency rank
#10,952
“sup” frequency rank
34650
confusion score

Side-by-Side Comparison

Feature STM sup
Definition Microscopie à effet tunnel. Super

Letter map: STM vs sup

Shared letters muted; letters that set STM and sup apart highlighted. Shared run: 1.

3 ch
STM
3 ch
sup

Grammar separator: STM vs sup

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: STM is anoun and supanintj. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 34650, derived from the frequency rank of both members and their visual similarity.

STM is recorded at frequency rank #23,698, classified as anoun. sup is at rank #10,952, tagged as anintj, pronounced \syp\.

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 34650, this pair ranks #282,347 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of STM vs sup

Shared letters: s. Private to "STM": mt. Private to "sup": pu.

"STM" · 3 letters · shape CCC  ·  "sup" · 3 letters · shape CVC

Frequently Asked Questions

Do "STM" and "sup" mean the same thing in a sentence?
No - they are not even the same part of speech. "STM" is a noun and "sup" an intj, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "STM" or "sup"?
"sup" is the more common of the two: it sits at frequency rank #10,952 in our French list, against #23,698 for "STM". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "STM" vs "sup" is on the table, pick a follow-up below.

  • Full dictionary entry for "STM" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sup" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #282,347 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "STM" and "sup" also get mixed up with nearby pairs, the highest-scored neighbour is "STM vs suu". Nearby pair

Confusion rank #282,347 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list