認識【にんしき】
recognition, awareness, perception, understanding, knowledge, cognition, cognizance, cognisance
意識【いしき】
consciousness, becoming aware (of), awareness, sense, mano-vijnana (mental consciousness, cognizer of sensory information)
知識【ちしき】
knowledge, information
常識【じょうしき】
common sense, good sense, common knowledge, general knowledge, common practice, accepted practice, social etiquette
学識【がくしき】
scholarship, scientific attainments
標識【ひょうしき】
sign, mark, flag
無意識【むいしき】
unconsciousness, unconscious, involuntary, automatic, mechanical, unintentional, spontaneous, the unconscious (psychoanalysis)
識別【しきべつ】
discrimination, discernment, identification
非常識【ひじょうしき】
lack of common sense, thoughtlessness, senselessness, irrationality, absurdity