Verses is the plural of the noun verse (or the present participle of the rare verb sense of verse). Versus (abbreviated vs. or v.) is a preposition meaning against or in contrast to.
Examples
Snippets from Leviticus and other Bible verses form the foundation of their anti-gay platform. [Daily Mail]
The Australian currency weakened for a second day versus the yen. [Sydney Morning Herald]
For generations, schoolchildren from all over China have grown up learning verses that were inspired by this place. [NY Times]
He has gone 6-1 with a 2.11 ERA in seven starts versus the Blue Jays over the last two seasons. [CBC.ca]