zygomorphic vs zygomorphous

zygomorphic and zygomorphous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
zygomorphic	No	Yes	No	No
zygomorphous	No	Yes	No	No

As adjectives, zygomorphic and zygomorphous are synonyms defined as:

zygomorphic and zygomorphous: capable of division into symmetrical halves by only one longitudinal plane passing through the axis

Other synonyms of zygomorphic include bilaterally symmetrical.

zygomorphic (adjective)	zygomorphous (adjective)
capable of division into symmetrical halves by only one longitudinal plane passing through the axis	capable of division into symmetrical halves by only one longitudinal plane passing through the axis