rise vs riser

rise and riser both are nouns.

Word	Noun	Adjective	Verb	Adverb
rise	Yes	No	Yes	No
riser	Yes	No	No	No

rise (noun)	riser (noun)
the act of changing location in an upward direction	structural member consisting of the vertical part of a stair or step
increase in price or value	a vertical pipe in a building
the property possessed by a slope or surface that rises	a person who rises (especially from bed)
the amount a salary is increased
an increase in cost
a growth in strength or number or importance
a wave that lifts the surface of the water or ground
a movement upward; rise above the ground
(theology) the origination of the Holy Spirit at Pentecost
an upward slope or grade (as in a road)

rise (verb)	riser (verb)
return from the dead
get up and out of bed
increase in value or to a higher point
become more extreme
go up or advance
rise in rank or status
exert oneself to meet a challenge
become heartened or elated
move upward
increase in volume
come to the surface
rise to one's feet
move to a better position in life or to a better job
come up, of celestial bodies
take part in a rebellion; renounce a former allegiance
rise up
come into existence; take on form or shape