thoughtful vs heedful

thoughtful and heedful both are adjectives.

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

As adjectives, thoughtful and heedful are synonyms defined as:

thoughtful and heedful: taking heed; giving close and thoughtful attention

Other synonyms of thoughtful include attentive, paying attention.

thoughtful (adjective)	heedful (adjective)
exhibiting or characterized by careful thought	taking heed; giving close and thoughtful attention
taking heed; giving close and thoughtful attention	giving attention
considerate of the feelings or well-being of others	cautiously attentive
having intellectual depth
characterized by solemn, sincere manner