semivssetWhat's the difference?

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

Which to use

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

#4,431
“semi” frequency rank
#4,348
“set” frequency rank
8779
confusion score

Side-by-Side Comparison

Feature semi set
Definition semear, plantar conjunto

Letter map: semi vs set

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

4 ch
semi
3 ch
set

Role in the sentence - semi and set

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: semi is averb and setanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 8779, derived from the frequency rank of both members and their visual similarity.

semi is recorded at frequency rank #4,431, classified as averb, pronounced /ˈsɛ.mi/.. set is at rank #4,348, 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 8779, this pair ranks #64,874 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of semi vs set

Shared letters: es. Private to "semi": im. Private to "set": t.

"semi" · 4 letters · shape CVCV  ·  "set" · 3 letters · shape CVC

Known mistypes of this pair

  • semiesmi · seim · semmi · smei · ssemi

Frequently Asked Questions

Can "semi" and "set" be used interchangeably?
No - they are not even the same part of speech. "semi" is a verb and "set" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "semi" or "set"?
"set" is the more common of the two: it sits at frequency rank #4,348 in our Portuguese list, against #4,431 for "semi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "semi" and "set".

  • Full dictionary entry for "semi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "set" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #64,874 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "semi" and "set" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs set". 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 #64,874 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list