throw vs ringer

throw and ringer both are nouns.

Word	Noun	Adjective	Verb	Adverb
throw	Yes	No	Yes	No
ringer	Yes	No	No	No

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

throw: the act of throwing (propelling something with a rapid movement of the arm and wrist)
ringer: (horseshoes) the successful throw of a horseshoe or quoit so as to encircle a stake or peg

Other hyponyms of throw include bowling, fling, heave, heaving, cast, hurl, leaner, flip, pass, toss, pitch, delivery, pitch, shy, slinging, throw-in, flip.

throw (noun)	ringer (noun)
the act of throwing (propelling something with a rapid movement of the arm and wrist)	(horseshoes) the successful throw of a horseshoe or quoit so as to encircle a stake or peg
casting an object in order to determine an outcome randomly	a contestant entered in a competition under false pretenses
bedclothes consisting of a lightweight cloth covering (an afghan or bedspread) that is casually thrown over something	a person who is almost identical to another
the maximum movement available to a pivoted or reciprocating piece by a cam	a person who rings church bells (as for summoning the congregation)
a single chance or instance

throw (verb)	ringer (verb)
be confusing or perplexing to; cause to be unable to think clearly
convey or communicate; of a smile, a look, a physical gesture
utter with force; utter vehemently
propel through the air
cause to go on or to be engaged or set in operation
place or put with great energy
cause to fall off
to remove
throw (a die) out onto a flat surface
make on a potter's wheel
put or send forth
organize or be responsible for
cause to be confused emotionally
move violently, energetically, or carelessly
to put into a state or activity hastily, suddenly, or carelessly