contagious vs transmissible

contagious and transmissible both are adjectives.

Word	Noun	Adjective	Verb	Adverb
contagious	No	Yes	No	No
transmissible	No	Yes	No	No

As adjectives, contagious and transmissible are synonyms defined as:

contagious and transmissible: (of disease) capable of being transmitted by infection

Other synonyms of contagious include catching, communicable, contractable, transmittable.

contagious (adjective)	transmissible (adjective)
(of disease) capable of being transmitted by infection	(of disease) capable of being transmitted by infection
easily diffused or spread as from one person to another	occurring among members of a family usually by heredity
	inherited or inheritable by established rules (usually legal rules) of descent