mitochondrion vs chondriosome

mitochondrion and chondriosome both are nouns.

Word	Noun	Adjective	Verb	Adverb
mitochondrion	Yes	No	No	No
chondriosome	Yes	No	No	No

As nouns, mitochondrion and chondriosome are synonyms defined as:

mitochondrion and chondriosome: an organelle containing enzymes responsible for producing energy

mitochondrion (noun)	chondriosome (noun)
an organelle containing enzymes responsible for producing energy	an organelle containing enzymes responsible for producing energy