particular vs careful

particular is a noun but careful is not a noun.

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

particular (noun)	careful (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

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