What's the noun for reediness? Here's the word you're looking for.
reed
(countable) Any of various types of tall stiff perennial grass-like plants growing together in groups near water.
(countable) The hollow stem of these plants.
(music) Part of the mouthpiece of certain woodwind instruments, comprising a thin piece of wood or metal which shakes very quickly to produce sound when a musician blows over it.
(music) A musical instrument such as the clarinet or oboe, which produces sound when a musician blows on the reed.
(countable, weaving) A comb-like tool for beating the weft when weaving.
“Making it worse is the fact that whenever the band forgets itself and goes into Dire Straits mode, his voice starts edging towards reediness.”
“Barry Banks's Orestes was a bit overwrought and his timbre veered on reediness.”
“Assistance from below decks was summoned by a screech whose panicked reediness wiped out all accumulated dad-points, and with my children on barge-pole duty, bow-to-bow contact was restricted to a glancing blow.”
reed
(Britain, Scotland, dialect) The fourth stomach of a ruminant; rennet.