encumbrance vs preventive

encumbrance and preventive both are nouns.

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

As nouns, encumbrance and preventive are synonyms defined as:

encumbrance and preventive: any obstruction that impedes or is burdensome

Other synonyms of encumbrance include hinderance, hindrance, hitch, incumbrance, interference, preventative.

encumbrance (noun)	preventive (noun)
any obstruction that impedes or is burdensome	remedy that prevents or slows the course of an illness or disease
an onerous or difficult concern	an agent or device intended to prevent conception
a charge against property (as a lien or mortgage)	any obstruction that impedes or is burdensome

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