incautious vs brainish

incautious and brainish both are adjectives.

Word	Noun	Adjective	Verb	Adverb
incautious	No	Yes	No	No
brainish	No	Yes	No	No

incautious (adjective)	brainish (adjective)
lacking in caution	characterized by undue haste and lack of thought or deliberation
carelessly failing to exercise proper caution