calorie

itinerary / course (stage of a meal) / racecourse

costing no money / unbound by promises or contracts / independent of any system / without something

freedom in the above senses

number / (specifically) license plate (ナンバープレート) number

circle (geometric shape) / circle (group of people with a common goal or interest) / circle (group that produces dōjin works)

Natasha

school (a place of learning) / school (a particular doctrine)

epigone

circuit