aeromechanics vs aerodynamics

aeromechanics and aerodynamics both are nouns.

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

As nouns, aeromechanics and aerodynamics are synonyms defined as:

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

aeromechanics (noun)	aerodynamics (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