pedesis vs Brownian movement

pedesis and Brownian movement both are nouns.

Word	Noun	Adjective	Verb	Adverb
pedesis	Yes	No	No	No
Brownian movement	Yes	No	No	No

As nouns, pedesis and Brownian movement are synonyms defined as:

pedesis and Brownian movement: the random motion of small particles suspended in a gas or liquid

Other synonyms of pedesis include Brownian motion.

pedesis (noun)	Brownian movement (noun)
the random motion of small particles suspended in a gas or liquid	the random motion of small particles suspended in a gas or liquid