ogvsoiConfusable pair

Quick tell: og is a conjunction, oi is an intj, so they fill different roles in a sentence.

Which to use

“og” is a conjunction and “oi” is an intj - they look or sound alike but fill different roles in a sentence.

#36,138
“og” frequency rank
#631
“oi” frequency rank
36769
confusion score

Side-by-Side Comparison

Feature og oi
Definition e: expressa cumprimento que se faz ao encontrar uma pessoa

Letter map: og vs oi

Shared letters muted; letters that set og and oi apart highlighted. Shared run: 1.

2 ch
og
2 ch
oi

Part-of-speech tell for og / oi

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: og is aconjunction and oianintj. On the page they differ by a single letter - g in “og” becomes i in “oi”. Our composite confusion score for this pair is 36769, derived from the frequency rank of both members and their visual similarity.

og is recorded at frequency rank #36,138, classified as aconj, pronounced /ɔ/. oi is at rank #631, tagged as anintj.

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 36769, this pair ranks #29,973 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of og vs oi

Shared letters: o. Private to "og": g. Private to "oi": i.

"og" · 2 letters · shape VC  ·  "oi" · 2 letters · shape VV

Frequently Asked Questions

Can "og" and "oi" be used interchangeably?
No - they are not even the same part of speech. "og" is a conjunction and "oi" an intj, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "og" vs "oi" - which ranks higher?
"oi" is the more common of the two: it sits at frequency rank #631 in our Portuguese list, against #36,138 for "og". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "og" and "oi".

  • Full dictionary entry for "og" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "oi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #29,973 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "og" and "oi" also get mixed up with nearby pairs, the highest-scored neighbour is "og vs oni". Nearby pair

Confusion rank #29,973 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