oásis vs oss, What's the Difference?

Which to use

“oásis” is a noun and “oss” is a pronoun - they look or sound alike but fill different roles in a sentence.

#20,073
“oásis” frequency rank: #31,905
“oss” frequency rank: 51978
confusion score

Side-by-Side Comparison

Feature	oásis	oss
Definition	local, em meio a um deserto, onde há água e vegetação	nos

Letter map: oásis vs oss

Shared letters muted; letters that set oásis and oss apart highlighted. Shared run: 3.

5 ch

oásis

3 ch

oss

Grammar separator: oásis vs oss

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: oásis is anoun and ossapronoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 51978, derived from the frequency rank of both members and their visual similarity.

oásis is recorded at frequency rank #20,073, classified as anoun, pronounced /o.ˈa.zis/. oss is at rank #31,905, tagged as apron.

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 51978, this pair ranks #13,140 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of oásis vs oss

Shared letters: os. Private to "oásis": iá. Private to "oss": -.

"oásis" · 5 letters · shape VVCVC · "oss" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "oásis" for "oss" ever safe?

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

Frequency check: "oásis" vs "oss" - which ranks higher?

"oásis" is the more common of the two: it sits at frequency rank #20,073 in our Portuguese list, against #31,905 for "oss". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "oásis" vs "oss" is on the table, pick a follow-up below.

Full dictionary entry for "oásis" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "oss" - compare definitions side by side with the headword page. Word entry
This pair ranks #13,140 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"oásis" and "oss" also get mixed up with nearby pairs, the highest-scored neighbour is "oni vs oss". Nearby pair

Confusion rank #13,140 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.