LIST OF POSITIVE NOUNS STARTING WITH K
Kahuna a shaman or wise man (especially in Hawaii); priest; magician; the person in charge or important person; a large wave (especially in surfing).
Keeper a warden; a guard; an attendant; one who maintains or holds possession; a thing or person worth keeping.
Key anything crucial; something or someone that provides access to or understanding of.
Kindred relatives or relationship by birth, descent, marriage, kinship or community.
Kingpin the most important and influential person in a group.
Kiss the act of kissing something or someone; a caress, touch or embrace with the lips; a gentle, slight or light touch; a small chocolate candy shaped as if someone had kissed the top.
Knight defender; a champion of a lady; a warrior; noble person.
Know-how practical skill or knowledge required to do something correctly or successfully; expertise.
ps. See also positive adjectives starting with k and positive verbs starting with k.