leavenous

Containing leaven.

Inducing change, especially a corrupting or vitiating change.

For our Religion where was there a more ignorant, profane, and vitious clergy, learned in nothing but the antiquitie of thir pride, thir covetouſnesſs and ſuperſtition; whoſe unſincere and levenous Doctrine corrupting the people, firſt taught them looſneſs, then bondage