aerodynamics vs aeromechanics

aerodynamics and aeromechanics both are nouns.

Word	Noun	Adjective	Verb	Adverb
aerodynamics	Yes	No	No	No
aeromechanics	Yes	No	No	No

As nouns, aerodynamics and aeromechanics are synonyms defined as:

aerodynamics and aeromechanics: the branch of mechanics that deals with the motion of gases (especially air) and their effects on bodies in the flow

aerodynamics (noun)	aeromechanics (noun)
the branch of mechanics that deals with the motion of gases (especially air) and their effects on bodies in the flow	the branch of mechanics that deals with the motion of gases (especially air) and their effects on bodies in the flow