scholar, academic, scientist; learned person

learning, study

stock, share

sense, sensation, feeling

machine, mechanism; instrument, appliance

duty, obligation, responsibility

rapid (e.g. progress)

supply, provision

tension, nervousness

modern times, recent times

amount of money, sum

emptiness, being empty

sky

training, drill, practice

drama, play

construction, architecture (of buildings)

shoulder

mercenary, self-interested;cash, ready money

something that happens or exists; an occurrence

arrangement of parts to form a whole