seek vs sei, What's the Difference?

Which to use

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

#39,853
“seek” frequency rank: #118
“sei” frequency rank: 39971
confusion score

Side-by-Side Comparison

Feature	seek	sei
Definition	procurar	expressa que aquilo ouvido que foi dito ou afirmado por alguém não é tomado como sendo a verdade

Where the spellings diverge

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

4 ch

seek

3 ch

sei

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: seek is averb and seianintj. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 39971, derived from the frequency rank of both members and their visual similarity.

seek is recorded at frequency rank #39,853, classified as averb, pronounced /siːk/, /sēk/. sei is at rank #118, 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 39971, this pair ranks #26,198 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of seek vs sei

Shared letters: es. Private to "seek": k. Private to "sei": i.

"seek" · 4 letters · shape CVVC · "sei" · 3 letters · shape CVV

Known mistypes of this pair

seek ← esek · seekk · sek · seke · sseek

Frequency comparison

seek#39,853

sei#118

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "seek" and "sei" be used interchangeably?

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

Which is more common, "seek" or "sei"?

"sei" is the more common of the two: it sits at frequency rank #118 in our Portuguese list, against #39,853 for "seek". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering seek vs sei

The fastest way to pick the right one every time.

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