# CSE vs CTR

> English confusable word pair

## The two words

### CSE
*noun · frequency rank #41,069*
Initialism of Certificate of Secondary Education, a former examination in UK schools; a pass achieved in this examination.

### CTR
*noun · frequency rank #29,985*
Initialism of click-through rate.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/cse-vs-ctr