Certe, pro dii immortales! (yes, by the immortal Gods!).(FUN WITH WORDS)(swearing language or Romans)

The Romans swore by their gods and goddesses, and you can, too! We do it in English, by Jove--Jove being another name for the Roman god Jupiter.

Here is a selection of Roman gods and goddesses and the expressions the Romans used to invoke them.

 
ROMAN GODS AND GODDESSES 
 
DEITY          IDENTIFICATION           INVOCATION 
 
Jupiter        king of gods             pro sancte Iuppiter 
Juterna        goddess of hot springs   pro Iuterna 
               and baths 
Juventus       god of the playground    pro Iuventus 
               and youthful activity 
Mercury        messenger god            pro Mercurius 
Silvanus       god of the forest        pro Silvanus 
All the gods                            pro dii immortales 

There, may not be one word for yes in Latin, but there are still many ways to express the idea.

And just as many ways to say "no."