OASvsorgWhich spelling fits?

Quick tell: OAS is a name, org is a noun, so they fill different roles in a sentence.

Which to use

“OAS” is a name and “org” is a noun - they look or sound alike but fill different roles in a sentence.

#44,377
“OAS” frequency rank
#13,973
“org” frequency rank
58350
confusion score

Side-by-Side Comparison

Feature OAS org
Definition Initialism of Organization of American States. Clipping of organization.

Letter map: OAS vs org

Shared letters muted; letters that set OAS and org apart highlighted. Shared run: 1.

3 ch
OAS
3 ch
org

Part-of-speech tell for OAS / org

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: OAS is aname and organoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 58350, derived from the frequency rank of both members and their visual similarity.

OAS is recorded at frequency rank #44,377, classified as aname. org is at rank #13,973, 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 58350, this pair ranks #113,144 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of OAS vs org

Shared letters: o. Private to "OAS": as. Private to "org": gr.

"OAS" · 3 letters · shape VVC  ·  "org" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "OAS" for "org" ever safe?
No - they are not even the same part of speech. "OAS" is a name and "org" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "OAS" vs "org" - which ranks higher?
"org" is the more common of the two: it sits at frequency rank #13,973 in our English list, against #44,377 for "OAS". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "OAS" vs "org" is on the table, pick a follow-up below.

  • Full dictionary entry for "OAS" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "org" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #113,144 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "OAS" and "org" also get mixed up with nearby pairs, the highest-scored neighbour is "OAS vs omi". Nearby pair

Confusion rank #113,144 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list