Sometimes the title of a geocache listing is all the hint you need to know what you are looking for.
To solve this Mystery, enter the correct two rhyming words into the checker link below. (DO NOT put a space between the two words.)
You can validate your puzzle solution with certitude.
Nagbalz'f nagbalz
Gurer ner bayl Sbhe yrggref va rnpu jbeq
Gurer ner bayl Svir yrggref hfrq va obgu.