ventral vs adaxial

ventral and adaxial both are adjectives.

Word	Noun	Adjective	Verb	Adverb
ventral	No	Yes	No	No
adaxial	No	Yes	No	No

As adjectives, ventral and adaxial are synonyms defined as:

ventral and adaxial: nearest to or facing toward the axis of an organ or organism

ventral (adjective)	adaxial (adjective)
toward or on or near the belly (front of a primate or lower surface of a lower animal)	nearest to or facing toward the axis of an organ or organism
nearest to or facing toward the axis of an organ or organism