obi vs ou, What's the Difference?

Which to use

“obi” and “ou” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#18,379
“obi” frequency rank: #10,099
“ou” frequency rank: 28478
confusion score

Side-by-Side Comparison

Feature	obi	ou
Definition	A sash worn with a kimono.	A probably extinct species of Hawaiian honeycreeper, Psittirostra psittacea.

Where the eye mixes obi and ou

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch

obi

2 ch

Look-alike desk: obi vs ou

A purely visual mix-up. obi (/ˈoʊbi/) and ou (/ˈəʊ.uː/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 28478, derived from the frequency rank of both members and their visual similarity.

obi is recorded at frequency rank #18,379, classified as anoun, pronounced /ˈoʊbi/. ou is at rank #10,099, tagged as anoun, pronounced /ˈəʊ.uː/.

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 28478, this pair ranks #370,767 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of obi vs ou

Shared letters: o. Private to "obi": bi. Private to "ou": u.

"obi" · 3 letters · shape VCV · "ou" · 2 letters · shape VV

Frequently Asked Questions

Can "obi" and "ou" be used interchangeably?

No. They are said differently (/ˈoʊbi/ versus /ˈəʊ.uː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Frequency check: "obi" vs "ou" - which ranks higher?

"ou" is the more common of the two: it sits at frequency rank #10,099 in our English list, against #18,379 for "obi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

Full dictionary entry for "obi" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "ou" - compare definitions side by side with the headword page. Word entry
This pair ranks #370,767 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"obi" and "ou" also get mixed up with nearby pairs, the highest-scored neighbour is "obi vs omi". Nearby pair

Confusion rank #370,767 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.