atomic vs thermonuclear

atomic and thermonuclear both are adjectives.

Word	Noun	Adjective	Verb	Adverb
atomic	No	Yes	No	No
thermonuclear	No	Yes	No	No

atomic (adjective)	thermonuclear (adjective)
(weapons) deriving destructive energy from the release of atomic energy	using nuclear weapons based on fusion as distinguished from fission
of or relating to or comprising atoms
immeasurably small