careful vs particular

careful is not a noun while particular is a noun.

Word	Noun	Adjective	Verb	Adverb
careful	No	Yes	No	No
particular	Yes	Yes	No	No

careful (noun)	particular (noun)
	a fact about some part (as opposed to general)
	(logic) a proposition that asserts something about some (but not all) members of a class
	a small part that can be considered separately from the whole

careful (adjective)	particular (adjective)
exercising caution or showing care or attention	providing specific details or circumstances
cautiously attentive	exacting especially about details
mindful of the future in spending money	first and most important
full of cares or anxiety	unique or specific to a person or thing or category
unhurried and with care and dignity	surpassing what is common or usual or expected
	separate and distinct from others of the same group or category