流す【ながす】
to drain, to pour, to run, to let flow, to flush, to shed (blood, tears), to spill, to float (e.g. logs down a river), to set adrift, to wash away, to carry away, to sweep away, to broadcast, to play (e.g. music over a loudspeaker), to send (electricity through a wire), to circulate (a rumour, information, etc.), to spread, to distribute, to cruise (of a taxi), to stroll around (in search of customers, an audience, etc.), to go from place to place, to cancel (a plan, meeting, etc.), to call off, to reject (e.g. a bill), to forfeit (a pawn), to do leisurely (e.g. running, swimming), to do with ease, to do effortlessly, to exile, to banish, to hit (the ball) to the opposite field, to do inattentively, to do without concentrating, to put little effort into doing
流れる【ながれる】
to stream, to flow (liquid, time, etc.), to run (ink), to be washed away, to be carried, to drift, to float (e.g. clouds), to wander, to stray, to sweep (e.g. rumour, fire), to spread, to circulate, to be heard (e.g. music), to be played, to lapse (e.g. into indolence, despair), to pass, to elapse, to be transmitted, to be called off, to be forfeited, to disappear, to be removed
流れ【ながれ】
flow (of a fluid or gas), stream, current, flow (of people, things), passage (of time), tide, passing, (changing) trends, tendency, course (of events), (step-by-step) procedure, process, group of people who remain together after the end of an event, descent, ancestry, school, forfeiture, foreclosure, cancellation, drifting, wandering, roaming
流行【りゅうこう】
fashion, trend, vogue, craze, fad, popularity, prevalence (of a disease), epidemic