# sei vs sepia

> English confusable word pair

## The two words

### sei
*noun · IPA /seɪ/ · frequency rank #34,681*
A sei whale.

### sepia
*noun · IPA /ˈsiːpiə/ · frequency rank #38,157*
A dark brown pigment made from the secretions of the cuttlefish.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/sei-vs-sepia