flow vs trickle

flow and trickle both are nouns.

Word	Noun	Adjective	Verb	Adverb
flow	Yes	No	Yes	No
trickle	Yes	No	Yes	No

As nouns, trickle is a hyponym of flow; that is, trickle is a word with a more specific, narrower meaning than flow:

As verbs, trickle is a hyponym of flow; that is, trickle is a word with a more specific, narrower meaning than flow:

flow (noun)	trickle (noun)
the act of flowing or streaming; continuous progression	flowing in drops; the formation and falling of drops of liquid
the motion characteristic of fluids (liquids or gases)
dominant course (suggestive of running water) of successive events or ideas
any uninterrupted stream or discharge
the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
something that resembles a flowing stream in moving continuously
the amount of fluid that flows in a given time

flow (verb)	trickle (verb)
undergo menstruation	run or flow slowly, as in drops or in an unsteady stream
cover or swamp with water
fall or flow in a certain way
move along, of liquids
move or progress freely as if in a stream
cause to flow
be abundantly present