# since vs sine

> English confusable word pair

## The two words

### since
*adverb · IPA /sɪn(t)s/ · frequency rank #175*
From a specified time in the past.

### sine
*noun · IPA /saɪn/ · frequency rank #25,577*
In a right triangle, the ratio of the length of the side opposite an angle to the length of the hypotenuse.

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