pump vs pour

pump is a noun but pour is not a noun.

Word	Noun	Adjective	Verb	Adverb
pump	Yes	No	Yes	No
pour	No	No	Yes	No

pump (noun)	pour (noun)
a mechanical device that moves fluid or gas by pressure or suction
a low-cut shoe without fastenings
the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body

pump (verb)	pour (verb)
question persistently	move in large numbers
deliver forth	flow in a spurt
operate like a pump; move up and down, like a handle or a pedal	cause to run
raise (gases or fluids) with a pump	pour out gradually, so as to separate out sediment
draw or pour with a pump	supply in large amounts or quantities
flow intermittently	rain heavily
move up and down
supply in great quantities