aeronautics vs dynamic balance

aeronautics and dynamic balance both are nouns.

Word	Noun	Adjective	Verb	Adverb
aeronautics	Yes	No	No	No
dynamic balance	Yes	No	No	No

aeronautics (noun)	dynamic balance (noun)
the theory and practice of navigation through air or space	(aeronautics) the state of equilibrium in which centrifugal forces due to a rotating mass (e.g., a propeller) do not produce force in the shaft and so vibration is reduced