preventive vs impedimenta

preventive and impedimenta both are nouns.

Word	Noun	Adjective	Verb	Adverb
preventive	Yes	Yes	No	No
impedimenta	Yes	No	No	No

As nouns, impedimenta is a hypernym of preventive; that is, impedimenta is a word with a broader meaning than preventive:

Other hypernyms of preventive include impediment, obstructer, obstruction, obstructor.

preventive (noun)	impedimenta (noun)
remedy that prevents or slows the course of an illness or disease	the baggage and equipment carried by an army
an agent or device intended to prevent conception	any structure that makes progress difficult
any obstruction that impedes or is burdensome

preventive (adjective)	impedimenta (adjective)
tending to prevent or hinder
preventing or contributing to the prevention of disease