skip vs STI, What's the Difference?

Which to use

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

#5,082
“skip” frequency rank: #26,266
“STI” frequency rank: 31348
confusion score

Side-by-Side Comparison

Feature	skip	STI
Definition	To move by hopping on alternate feet.	Initialism of sexually transmitted infection (also S.T.I.).

Letter map: skip vs STI

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

4 ch

skip

3 ch

STI

Grammar separator: skip vs STI

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: skip is averb and STIanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 31348, derived from the frequency rank of both members and their visual similarity.

skip is recorded at frequency rank #5,082, classified as averb, pronounced /skɪp/. STI is at rank #26,266, 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 31348, this pair ranks #346,902 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of skip vs STI

Shared letters: is. Private to "skip": kp. Private to "STI": t.

"skip" · 4 letters · shape CCVC · "STI" · 3 letters · shape CCV

Known mistypes of this pair

skip ← ksip · sikp · skipp · skkip · skpi · sskip

Frequently Asked Questions

Do "skip" and "STI" mean the same thing in a sentence?

No - they are not even the same part of speech. "skip" is a verb and "STI" a noun, so a sentence built for one is usually ungrammatical with the other.

In ordinary English text, does "skip" or "STI" show up more?

"skip" is the more common of the two: it sits at frequency rank #5,082 in our English list, against #26,266 for "STI". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "skip" and "STI".

Full dictionary entry for "skip" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "STI" - compare definitions side by side with the headword page. Word entry
This pair ranks #346,902 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"skip" and "STI" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs STI". 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 #346,902 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.