string vs stringer

string and stringer both are nouns.

Word	Noun	Adjective	Verb	Adverb
string	Yes	No	Yes	No
stringer	Yes	No	No	No

string (noun)	stringer (noun)
a lightweight cord	a long horizontal timber to connect uprights
a tie consisting of a cord that goes through a seam around an opening	brace consisting of a longitudinal member to strengthen a fuselage or hull
a necklace made by stringing objects together	a worker who strings
a tightly stretched cord of wire or gut, as a part of an instrument or a tennis racket	a member of a squad on a team
a collection of things threaded on a single strand, or as if threaded on a single strand
stringed instruments that are played with a bow
a linear sequence (as of characters, words, proteins, etc.)
a sequentially ordered set of things or events or ideas in which each successive member is related to the preceding
(cosmology) a hypothetical one-dimensional subatomic particle having a concentration of energy and the dynamic properties of a flexible loop
a tough piece of fiber in vegetables, meat, or other food (especially the tough fibers connecting the two halves of a bean pod)

string (verb)	stringer (verb)
add as if on a string
provide with strings
thread on or as if on a string
remove the stringy parts of
string together; tie or fasten with a string
stretch out or arrange like a string
move or come along