innocence; having not a care in the world / imprudence or lack of judgment; naïveté / lack of sophistication; innocence

a numberless quantity; an infinite quantity

Kyūjitai form of 無数 (“innumerable; countless”)

office

an aerosol / (more specifically) the particles that make up an aerosol

Remus (the founder of Rome)

steamer (cooking appliance)

dreamer (someone whose beliefs are far from realistic)

warrior

audacious