"Eh-PIHS-tool-ah" is the way to pronounce the Latin word epistula for "epistle," "letter" and "written imperial decree" in English.
Epistula.
The Latin word for mail/letter is epistula or epistola
Epistula (as in the message letter); littera (as in a letter of the alphabet).
viridis
communicare
The root word of "pronounce" is "pronouncier", which comes from the Latin word "pronuntiare" meaning "to proclaim or announce."
The Latin word "pleni" is pronounced as "PLEH-nee".
The Latin word "Aprilis" is pronounced as Ah-prill-us.
rA-teeo
LOO-kens.
Feh-DAY.
OW-dacks.