Nouns

(n)flow, flowingthe motion characteristic of fluids (liquids or gases)
(n)flow, flow rate, rate of flowthe amount of fluid that flows in a given time
(n)flow, streamthe act of flowing or streaming; continuous progression
(n)flowany uninterrupted stream or discharge
(n)stream, flowsomething that resembles a flowing stream in moving continuously“a stream of people emptied from the terminal”, “the museum had planned carefully for the flow of visitors”
(n)stream, flow, currentdominant course (suggestive of running water) of successive events or ideas“two streams of development run through American history”, “stream of consciousness”, “the flow of thought”, “the current of history”
(n)menstruation, menses, menstruum, catamenia, period, flowthe monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause“the women were sickly and subject to excessive menstruation”, “a woman does not take the gout unless her menses be stopped” (Hippocrates), “the semen begins to appear in males and to be emitted at the same time of life that the catamenia begin to flow in females” (Aristotle)

Verbs

(v)flow, fluxmove or progress freely as if in a stream“The crowd flowed out of the stadium”
(v)run, flow, feed, coursemove along, of liquids“Water flowed into the cave”, “the Missouri feeds into the Mississippi”
(v)flowcause to flow“The artist flowed the washes on the paper”
(v)flowbe abundantly present“The champagne flowed at the wedding”
(v)hang, fall, flowfall or flow in a certain way“This dress hangs well”, “Her long black hair flowed down her back”
(v)flowcover or swamp with water
(v)menstruate, flowundergo menstruation“She started menstruating at the age of 11”