demand / request / need

always

change in society, climate, or condition, transformation, variety / variation / declension / (sumo) a step to one side during the tachiai, the initial charge at the start of a sumo match; a sidestep

to change, to vary

goblin, ghost; an apparition

a market(place) (spacious site for trading)

a market (geographical area where a commercial demand exists)

chemical reaction, chemical change

undergo a chemical change

(grammar) declension