broody vs thoughtful

broody is a noun but thoughtful is not a noun.

Word	Noun	Adjective	Verb	Adverb
broody	Yes	Yes	No	No
thoughtful	No	Yes	No	No

broody (noun)	thoughtful (noun)
a domestic hen ready to brood

broody (adjective)	thoughtful (adjective)
physiologically ready to incubate eggs	exhibiting or characterized by careful thought
deeply or seriously thoughtful	taking heed; giving close and thoughtful attention
	considerate of the feelings or well-being of others
	having intellectual depth
	characterized by solemn, sincere manner