# CTA vs CTR

> English confusable word pair

## The two words

### CTA
*adjective · frequency rank #35,238*
Initialism of clear to auscultation, used to describe the lung or lungs of patient.

### 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/cta-vs-ctr