opt vs oust, What's the Difference?

Which to use

“opt” is a verb and “oust” is an intj - they look or sound alike but fill different roles in a sentence.

#42,502
“opt” frequency rank: #46,328
“oust” frequency rank: 88830
confusion score

Side-by-Side Comparison

Feature	opt	oust
Definition	Opter.	Variante de ouste.

Where the spellings diverge

Shared letters are muted; the letters that actually set opt and oust apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

3 ch

opt

4 ch

oust

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: opt is \ɒpt\ while oust is \ust\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs intj), which is usually the fastest check. Our composite confusion score for this pair is 88830, derived from the frequency rank of both members and their visual similarity.

opt is recorded at frequency rank #42,502, classified as averb, pronounced \ɒpt\. oust is at rank #46,328, tagged as anintj, pronounced \ust\.

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 88830, this pair ranks #6,481 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of opt vs oust

Shared letters: ot. Private to "opt": p. Private to "oust": su.

"opt" · 3 letters · shape VCC · "oust" · 4 letters · shape VVCC

Known mistypes of this pair

oust ← osut · ousst · oustt · outs · uost

Frequency comparison

opt#42,502

oust#46,328

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "opt" and "oust" be used interchangeably?

No - they are not even the same part of speech. "opt" is a verb and "oust" an intj, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "opt" or "oust"?

"opt" is the more common of the two: it sits at frequency rank #42,502 in our French list, against #46,328 for "oust". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering opt vs oust

The fastest way to pick the right one every time.

Check the role first: if you need a verb, it's “opt”; for an intj, it's “oust”.
See each word in full, definition, IPA, etymology and its other confusables. Full “opt” entry
Browse more pairs most likely to be confused. Most confusable